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Mathematics Questions and Answers August 23, 2022

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help me!!! 1. Suppose p is a real number and p #1. Find all the values of p for which the improper integral: x (In (x)) dx is convergent. 2. Two students, Joe and Becky, are trying to determine whether [ x'dx is convergent or -00 divergent. Joe makes the following argument: "We calculate that [x'dx = lim [ x dx = lim = lim [0] =0. Thus, by
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within a territory was selected. The delivery time and the number of cases delivered were recorded as follows. Deliver}r Delivery Number Time Number Time Customer of cases (Minutes) Customer of cases Minutes} 1 52 32.1 11 161 43.0 2 64 34. 8 12 184 49. 4 3 73 36.2 13 202 57.2 4 85 37.8 14 213 56.3 5 95 37.8 15 243 60.6 6 103 39.7 16 254 61.2 7 116
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Use a calculator (standard distribution calculator) to compute P(z Round your answer to 3 decimal places. \f
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Find the equation of the line tangent to the graph of f at the indicated value of x y= 2 + lnx ; x=1

An accountant wishes to predict direct labor cost ( y ) on the basis of the batch size ( x ) of a product produced in a job shop. Data for 12 production runs are given in the table below, along with the Excel output from fitting a least squares regression line to the data. \f\f
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Taken as sum of two integrals Evaluate the first integral as a sum of two integrals clearing stating substitution . 4 x + 11 dx 4 x + 8 dx t 3 x* + 4 x +5 E 2# + 4 + +5 x 2 + 4x + 5
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Monitor M Inc. ha recibido retroalimentacin sobre el prototipo de app para generar avatars en el metaverso. La experiencia de usuario no ha sido la mejor, por lo que ha solicitado a su equipo realizar un anlisis del costo para abordar los defectos y el impacto comercial. La principal accin que la empresa realiz para afrontar la situacin expuesta

2.For the following data: X Y 22 32 33 25 35 43 53 99 a) Determine the median center. (2 points) b) Plot the points, construct quartilides, and determine the area of the rectangle formed by the quartilides. (4 points) c) If a second data set had the same median center as the above data set, but a quartilide rectangle twice as large, how would you

explain please Suppose that cos 6 = 2/5 and that 6 is a Quadrant ll angle. (a) Find the exact value of sin 6. Show work. (b) Find the exact value of sin(20). Show work. \f26. For the triangle ABC, we are given that A = 48, B = 620, and c = 35.0. b 480 A 620 C = 35 B Find the length of side a, rounded to the nearest tenth. Show work.2.7. Let Ti =
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The "Merchandise" dimension of store image includes ...... (A) Quality (B) Selection (C) Price (D) All of these

What is an infeasible problem? Question content area bottom Part 1 A. An infeasible problem is one for which the objective is maximized or minimized by more than one combination of decision variables. B. An infeasible problem is one for which there is no solution that simultaneously satisfies all the constraints. C. An infeasible problem is one

7.12) Find z if a) the normal- curve area between 0 and z is 0.3340; b) the normal- curve area to the right of z is 0.8665; c) the normal- curve area to the right of z is 0.0228; d) the normal- curve area between -z and z is 0.9500; 7.20) A random variable has a normal distribution with the standard deviation = 10. Find its mean if the probability

A random sample of 1700 adults in Flagstaff found 306 adults who had lost a job in the past year. Find a 95% confidence interval for the true percent of adults in Flagstaff who have lost a job in the past year. Please Express your results to the nearest hundredth of a percent. . Answer: ______% to ______%

The students at McKinley School collected $2,389.64 during a fundraiser. The money will be divided equally between two charities. Rounded to the nearest hundred dollars, about how much money will the students donate to each charity? A $1,000 B $1,194.82 C $1,200 D $5,000

An augmented matrix, A, represents a system of equations. The following matrix is the result of performing Gauss-Jordan row reduction on matrix A: RREF ( A ) =1 2 4 0 0 0 Determine the solution of the original system.(If there is no solution, enter NO SOLUTION. If the system is dependent, express your answer in terms of x where the x-coordinate is
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Thank you! A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 155.6-cm and a standard deviation of 2-cm. A steel rod is chosen at random from all those produced by the company. What is the probability that the length of this rod is less than 159.2 cm. :1 Enter your answer as a number accurate to 4
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Hello. Please help. Thank you. (12) Prove that (a) Re{z} = (z+ 2)/2, (b) Im{z} = (2-z)/2i. (b) Suppose that f(z) = x2-y2 -2y +i(2x- 2xy), where z = x + iy. Use the above expressions to write f(z) in terms of z and simplify the result
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For the position function s(t) = - 16t + 105t, complete the following table with the appropriate average velocities. Then make a conjecture about the value of the instantaneous velocity at t = 1. Time Interval [1, 2] [1, 1.5] [1, 1.1] [1, 1.01] [1, 1.001] Average Velocity
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If the graph of begin mathsize 14px style f straight left parenthesis x straight right parenthesis end style is a parabola, then begin mathsize 14px style f italic apostrophe straight left parenthesis x straight right parenthesis end style is a Question 9Select one: a. constant function b. linear function c. radical function d. rational function

A circle has center O(5, 1) and radius 5. Which of the following points is on the circle?

Assume that IQ scores are normally distributed, with a standard deviation of16points and a mean of100points. If145people are chosen at random, what is the probability that the sample mean of IQ scores will not differ from the population mean by more than 2 points? (Round your answer to four decimal places.)

the management of Robertson controls must decide between two manufacturing process for its model C electronic thermostat The monthly cost of the first process is given by C1 (x) = 20x + 10000dollars, where x is the number of thermostats produced; the monthly cost of the second process is given by C2 (x) = 10x + 30000 dollars Given the thermostats

.......................... A sample of size n = 54 has sample mean x = 54.8 and sample standard deviation s = 9.5. Part: 0 / 2 Part 1 of 2 Construct a 98% confidence interval for the population mean J. Round the answers to one X 5 decimal place. A 98% confidence interval for the population mean u is
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I hope you can explain to me the following questions: 22. [0/5 Points] DETAILS PREVIOUS ANSWERS Expand (3x - 2y) using the binomial expansion formula. 243x5 - 810x4 +.1080x3 12 - 720x23 + 240xy - 3213 X Submit Assignmen Save Assignment Pro20. [0/4 Points] DETAILS PREVIOUS ANSWERS Solve the following trigonometric equation assuming that 0 S 0
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please solve these 2 questions asap. The thickness of metal plates made by a particular machine are normally distributed with a mean of 4.40 mm and a standard deviation of 0.15mm. Assuming this is a normal distribution, determine the percentage of plates that would have a thickness between 4.23mm and 4.57mm. For full marks, upload full solution,
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please solve the questions Blood pressure based on systolic blood pressure Diabetes Prehypertension Stage I Stage II (120-139) Hypertension Hypertension (140-159) (2160) 80 135 150 Please, determine the following probabilities using the above contingency table: PHP'PPP'P 9. A diabetic patient is randomly selected A non-diabetic stage I
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Write a brief paragraph about the Dulles Greenway unpaid toll and tell them that I am trying to pay it online, but the serial number or date is invalid for the login process, so please help me find a way to pay my unpaid bill

Statistics Help! E'Whether a grant proposal is funded quite often depends on the reviewers. Suppose a group of research proposals was evaluated by a group of experts as to whether the proposals were worthy of funding. When these same proposals were submitted to a second independent group or experts, the decision to fund was reversed in 30% of the
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Body Temperature Project You have earned 4 point(s) out of 4 point(s) thus far. Now you will input your summary statistics, one at a time, and we will place the correct answers into the table as you go: sample size sample mean sample standard deviation 50 977999999 50 The first value you enter is the sample mean for the data on female body
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problem Consider the function F(X) =x 2 / x 2 4 (a) Find the domain of f . (Enter your answer using interval notation.) (b) Find the intervals on which f is increasing. (Enter your answer as a comma-separated list of intervals.) Find the intervals on which f is decreasing. (Enter your answer as a comma-separated list of intervals.) (c) Find the

After moving to CA, I don't feel unusually short at 5'1" compared to other females, am I? Answer this question by using the 'Height.xls' dataset in StatCrunch and responding to the questions below. What is the observational unit I have trouble figuring out who are we collecting data from)? 2. How can I Identify the variable. How can I find out

Evaluate the following problem( I tried using Leibniz's Rule but can't understand where I went wrong): \f
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Common count nouns in English use a trailing 's' to indicate the plural, e.g., cup [ cups, dog dogs, or desk desks. la: FSAs (5pts) Design a deterministic FSA that will detect whether a string matches the common noun plural pattern
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In 2021, 188 women played the Ladies Professional Golf Association (LPGA) tour. A random sample of 30 players is selected and their winnings recorded. The sample is listed here. Jin Young Ko $ 1, 656, 415 Stephanie Meadow $ 140, 897 Minjee Lee $ 1,363, 781 Muni He $ 128, 032 Lexi Thompson $ 1,032, 787 Ana Belac $ 116, 832 Hyo Joo Kim $ 827, 654
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Mark the item(s) that are used in the model. Group of answer choices maximize 4x1 + 3x2 - 100x5 maximize 4x1 + 3x2 - 150x3 - 120x4 maximize 4x1 + 3x2 + 150x3 + 120x4 maximize 4x1 + 3x2 - 150x3 - 120x4 - 100x5 maximize 10x1 + 5x2 - 150x3 - 120x4 - 100x5 maximize 150x1 + 120x2 - 4x3 - 3x4 maximize 4x1 + 3x2 + 150x3 + 120x4 + 100x5

Please help me with this. Here is the Research Question : How do gender and ethnicity influence the perceived academic success of first-generation college students? Use Excel to complete frequency data runs for each of the variables. ( Gender : This is a nominal level of measurement. Ethnicity : This is also a nominal level of measurement.

Jake, in attempting to prove that there are only so many possible outcomes for the throw of two dice, is creating a probability distribution chart. There are six numbers on each of the dice and therefore he can construct a probability distribution for the possible count without having to use actual experience to back up his numbers. In

kindly solve these problems Guardian is a national manufacturing company of home health care appliances. It is faced with a make-or-buy decision. A newly engineered lift can be installed in a car trunk to raise and lower a wheelchair. The steel arm of the lift can be purchased internationally for $3.50 per unit or made in-house. If manufactured on
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Perform the addition using expanded notation. 4 comma 391 plus 7 comma 847

What is the standard deviation of the following values? -12-7023456570

In a normal distribution of measurements having a mean of 500 feet and a standard deviation of 50 feet, what percent of the distribution falls between 495 and 515 feet?

How would ANOVA be used in a business setting? I'm having a hard time coming up with real-life examples!

Imagine you are asked to write an analytical paper on Joyce's "Araby." (it's in your textbook) 1. Using the UC Library Resources, select four literary scholarly sources ABOUT JAMES JOYCE 2. Present the sources only in a properly formatted Works Cited page IN MLA STYLE. 3. Please ALSO cite Joyce's story on your Works Cited, for a total of five
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WHICH IS A CHEMICAL PROPERTY? ETHANOL BOILS AT 78 C, ELEMENTAL HYDROGEN BURNS IN ELEMENTAL OXYGEN, WATER HAS A DENSITY OF 1g/mL, ALL OF THESE

I have been super stuck with these problems for entire day. Could you please guide a little so I can understand them better? Could you please show me each section of the problem if possible because I am super confused. Thanks for your help in advance! 15.4.37-Setup & Solve Given the equation 6 sin 2xy = 1, evaluate dx . Assume that the equation
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Price (P ) is on the vertical axis and quantity (Q ) is on the horizontal axis

\fUse the inverse of the coefficient matrix to solve the system of equations. x + 2y + 3z = 21 2x + 3y + 4z = 4 - x -2y - 2z = - 31 . . . Identify the inverse of the coefficient matrix. (Type an integer or simplified fraction for each matrix element.)Use the inverse of the coefficient matrix to solve the system of equations. X + 4y + 3z = -28 X -
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Exam Lesson Name: Basic Math Skills Exam number: 700140RR Exam Guidelines Exam Instructions Question 19 of 20 : Select the best answer for the question. 19. What is 20 x 6? O'A. 40 O. B. 120 O C. 12 O D. 100 Mark for review (Will be highlighted on the review page)

Please help me with an explanation. Can you guide through this. I'm doing this for fun. All the information is here 662267eeb3470ecd... IQ I}; Math I1 P lem 2 January 31, 2020 1. Recall that if x is a set then X'\" denotes the set of all k-subsets of it. [If H c X'\" we sometimes call H a k-uniform hypergroph; each edge has It uertices.) We say
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What is the phase shift and period for the function y = 5cos3( + 60) 1?

Having the right mindset consists of having the right combination of willpower and way power. Select the correct answer. True False

Consider a sample of 45 football games, where 26 of them were won by the home team. Use a 0.10 significance level to test the claim that the probability that the home team wins is greater than one-half. Identify the null and alternative hypotheses for this test. Choose the correct answer below. O A. Ho: p > 0.5 H1 : p= 0.5 O B. Ho: P = 0.5 H, : p
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Which of the following conditions is necessary for begin mathsize 14px style y equals f italic double apostrophe left parenthesis x straight right parenthesis end style to be zero? Question 13Select one: a. begin mathsize 14px style y equals f straight left parenthesis x straight right parenthesis end style must be a radical function b. begin

Probability Practice 6.2 a) A manufacturer knows that their items have a normally distributed length, with a mean of 14 inches, and standard deviation of 3.9 inches. If 18 items are chosen at random, what is the probability that their mean length is less than 15 inches? b) A manufacturer knows that their items have a normally distributed lifespan,

Itomework Problem : 2 Determine whether coustamu of at least one solution of the given initial value problem is guranted and if so, whether uniqueness of the solution is guranteed ( at 1) dy ty = 5 21 2 ( 26 + 1 ) , 4 ( 2 ) = 3
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Ability and wages: Arcidiacono, Bayer, and Hizmo (2008) analyzed data from a national longitudinal survey called NLSY79, which includes data from more than 12,000 men and women in the United States who were in the 14- to 22-year age range in 1979. The researchers reported that ability is related to wages in early career jobs for university

Ms. Lisa Monnin is the budget director for Nexus Media Inc. She would like to compare the daily travel expenses for the sales staff and the audit staff. She collected the following sample information. Sales ($) 130 136 147 161 132 147 Audit ($) 128 107 130 141 141 108 140 At the 0.025 significance level, can she conclude that the mean daily

I would like know the major conclusion for this study and what are the hypothesis, after finding the hypothesis in the study. How the conclusion relate to the hypothesis? The article is provide to the link below:

Hello, can you tell me what your thoughts are on this? Thank you. A survey handed out to individuals at a major shopping mall in a small Florida city in July asked for the information below. . Gender . Age . Ethnicity * Length of residency . Overall satisfaction with city services (using a scale of 1-5, ranging from poor to excellent) . Quality of
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It is a hypothesis that is stated in positive one. Select one: a. Intervening Variable b. Null Hypothesis c. Alternative Hypothesis d. Assumption

Question 2 (Total of 16 marks) A real estate company surveyed 50 of its sold properties. The following table gives the selling prices (in thousand dollars) of these properties. 61.4 27.3 26.4 37.4 30.4 47.5 63.9 46.8 67.9 19.1 81.6 47.9 73.4 54.6 65.1 53.3 71.6 58.6 57.3 87.8 71.1 74.1 48.9 60.2 54.8 60.5 32.5 61.7 55.1 48.2 56.8 60.1 52.9 60.5

List all the permutations of 2 letters chosen from W, X, Y. and Z. Macmillan Learning (Enter your answer using the capital letters as shown. For each permutation enter the letters side by side and in a comma- separated list. For example: ABAC,BC etc...) All permutations: List all the combinations of 2 letters chosen from W, X, Y, and Z. (Enter

SAE542 Midterm A system consists of three (3) components A, B and C with given constant failure rates and connected as shown below. Derive in detailed step by step the mean time between failure (MTBF) of this system in terms of given constant failure rates 1, 2 and 3

It is a variable that can stand alone. Select one: a. Control Variable b. Independent Variable c. Hypothesis d. Intervening Variable

Calc Homework help What are the coordinates of the equilibrium poil (Type an ordered pair.) ) What is the consumer surplus at the equilibrium p Round to the nearest cent as needed. ) (c) What is the producer surplus at the equilibrium paid
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IQs are known to be normally distributed with mean 100 and standard deviation 15. In a random sample of 35 people, find the probability that the average IQ is between 98 and 106. (Answer in 4 decimals please)

Cartesian Coordinates of a point are Find polar coordinates ( r, Q ) of the point where rzo B

Students who score within12 points of the number84 will pass a particular test. Write this statement using absolute value notation and use the variablex for the score. help me pls

The manager of a local home inspection company claims that their agents conduct a mean of no more than 55 in-depth home surveys every week. The employees believe their manager is underestimating their workload to avoid paying overtime. The numbers of in-depth surveys conducted during a week by a random sample of agents are as follows:

A teacher wants to know how well 95% of her students performed on the first exam. Obtain the mean and standard deviation to find the range using the following test scores 80, 75, 92, 69, 86, 90, 78, 76, 65, 85.

It is estimated that the proportion of union members in favor of the new contractis between 0.3and 0.5.The sponsors of the proposition would like to survey union members and get a 95 percent confidence interval for the true proportion of people in favor of the new contract. They want to restrict the error level to 5 percentage points (5%). Given

Acasa Insurance Company offers several plans for home insurance. Plan A has a $700 yearly premium with a $3,000 deductible. Plan B has a $1,200 yearly premium with a $1,000 deductible. The average payout by the insurance company for a fire claim is $27,000.Suppose 5% of the claims were for fire damage.What would Acasa's expected value (loss or

You are conducting a study to see if the probability of a true negative on a test for a certain cancer is significantly more than 0.72. Thus you are performing a right-tailed test. Your sample data produce the test statistic z = 1.213 Find the p-value accurate to 4 decimal places. p-value =

*****see note below with stars***** You manage Human Relations for your company. One of your sales managers has retired, leaving an opening. You are considering two different employees for the position. Both are highly qualified so you have decided to evaluate their sales performance for the past year. Use the Week 4 Data Set to create and
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When using two GPS receivers (e.g. a base and a rover) to collect positional data for later differential correction by post processing Question 8 options: all of these are requirements both receivers must be of the same manufacture both receivers must be tracking the same satellites at the same time both receivers must have at least 12 channels

The average income in a state was $59,000 per person per year. Suppose the standard deviation is $27,000 and the distribution is right-skewed. Suppose we take a random sample of 100 residents of the state. What is the expected sample mean and why? What is the standard error for the sample mean?

Residential electricity prices can be measured in cents per kWh, typically assuming a monthly consumption of 1000kWh. One report on the internet suggests that household electricity prices across North American cities are normally distributed with an average of 16.72 and a standard deviation of 4.21(square). Let's say you decide to see if other

(16, 28, 30, 33, 44) [min, q1, med, q3, max]Calculate the interquartile range (IQR) of this dataset. Hint: IQR = Q3 - Q1; use information provided in the table in the introduction to find the first quartile (Q1) and the third quartile (Q3). Calculate the interquartile range (IQR) of this dataset. Hint: IQR = Q3 - Q1; use information provided in

With = .01 and df = 6, the critical values for a two-tailed t test are t = 3.707. Assuming all other factors are held constant, if the df value were increased to df = 16, what would happen to the critical values for t? a. There is not enough information to answer. b. They would increase (move farther from zero). c. They would stay the same. d.

7. Shankar loves coffee but also hates making decisions. A great cafe called Open Eyeball has 8 different sorts of coffee drinks (Latte, Flat White, Cappuccino etc). Shankar has been to Open Eyeball 20 times in the last month. On each visit he picks one of the 8 drinks at random (so each drink has probability 1/8). Let X denote the number of
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irty) = 563 3561/2- (a) Prove that there is only one critical point of the monkey saddle. (b) Show that the secondderivative test fails at that point. (c) Suggest an alternative test and use it to to show that the critical point is indeed a saddle
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Convert the given number to decimal form by expanding in powers and by using the calculator shortcut 4635seven

Please help and please show all steps 6) Determine whether the following sequences converge or diverge. If they converge state the value they approach. (9 pts) 5n' - 7n+ 2 cos'n a a = 2n + 3n2 b) an = c) a = 20
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question 13 and 14 13. Windy place: Mt. Washington, New Hampshire, is one confi of the windiest places in the United States. Wind speed confi measurements on a simple random sample of 50 days critic had a sample mean of 45.01 mph. Assume the population standard deviation is o = 25.6 mph. Construct a 95% confidence interval for the mean wind speed
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1. Let G denote the bipartite graph depicted below b C U W y Let M denote the matching { bc, tw, uv, xy}.a. (2 points) Give a depiction of the matching M. b. (4 points) Using Algorithm 9.1, obtain an M-alternating tree rooted at a by completing the following table: e | T | Initialization c. (2 points) Give a depiction of the tree obtained in the
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You are doing a project on how much time (in hours) it takes people to adjust after traveling to a new time zone. You know that the population standard deviation is 30 but you're not sure what the population mean time is. You take a sample of 100 individuals and find a sample mean of 19 hours. What is the 90% confidence interval for the true

I am completely lost on how to proceed with the below question. I need help in determining value of c and computing P(B1). 7. Let the sample space of an experiment be S = {0, 1, 2, . . . }, that is, a (countably) innite sample space. We dene events as follows: A0 = {0}, A1 = {1}, A2 = {2}, etc., B0 = {0,1,2,...}, B1 = {1, 2, 3, . . .}, B2 =
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help pls somepage In brightspace of the learning modules. Find a linear equation satisfying the condition, if possible. Passes through (- 1, 5) and (0, 8) y =
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Hi, I'm having trouble understanding the null and alternative hypothesis are, and how to make an ANOVA table. Question #1: (10 marks) Lecture week 7, Lecture 1 Staph Infections.... Staphylococcus aureus is the bacterium that causes staph infections (at least Google says so...) . Antibiotic resistance in S. aureus was uncommon when penicillin was
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I need help Question 7: (4 points) Compute the values of dy and Ay for the function y = e2 + 5x given x = 0 and Ax = dx = 0.03. Round your answers to four decimal places, if required. You can use a calculator, spreadsheet, browser, etc. to calculate dy and Ay. dy =_ 0.21
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As expected, the value at the end of the interval of 7, = 683.5088 K differs from the desired boundary condition of Is = 400. Therefore, we make another guess 7%2 = 150 K, which corresponds to Zaz = -0.25, and perform the computation again. > [t,y] = ode45(@Ex2402, [0 10], [150,-0.25]); Tb2 = y(length(y) ) Tb2 -41. 7544 Linear interpolation can
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A strand of spider web hangs between two branches. The strand follows the curvey=1/2(e x +e -x )with -1

suppose you have two boxes a and b. box a contain 7 black marble, 4 white marbkes and box b contain 7 white and 4 black marbles.a random experiment is performed in two sequential trials by first drawing a marble randomly from box a and putting into box b.in the second trial after the first trail a marble is drawn randomly from box b a) Are the two

Use the normal distribution to compute probability with technology - Excel Question The weight of bags of green landscaping gravel,X , is modeled by normal distribution with a mean26.7 kilograms and standard deviation0.3 kilogram. Determine the probability that a randomly selected bag of green gravel will weigh between26.5 and27.5 kilograms. Round

Think about situations or types of problems where probabilities are useful. Describe a specific situation/problem involving probabilities. Explain how and why probabilities might be useful in this situation. Give a specific example of how probabilities are used in this situation. How are probabilities important to decision making in this

What is the total score for a hound corresponding to the following weights and individual scores? Multiplier Hound Hair 3.5 0.8 Height 2.0 0.6 Weight 1.5 0.4

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