The random variable X has an expectation of 77 and a standard deviation of 9. Find the

Question:

The random variable X has an expectation of 77 and a standard deviation of 9. Find the values of a and b such that the random variable Y = a + bX has an expectation of 1000 and a standard deviation of 10.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Probability And Statistics For Engineers And Scientists

ISBN: 9780495107576

3rd Edition

Authors: Anthony Hayter

See More Books

Question Posted: Jun 22, 2016 07:04 AM

See More Questions

The random variable X has a binomial distribution with n = 10 and p = 0.5. Determine the following probabilities: (a) P(X =5) (b) P(X < 2) (c) P(X > 9) (d) P(3 < X <5)
The random variable X has a binomial distribution with n = 10 and p = 0.01. Determine the following probabilities. (a) P(X =5) (b) P(X < 2) (c) P(X > 9) (d) P(3 < X <5)
The random variable X has the following probability distribution. Find the following probabilities. a. P(X > 0) b. P(X 1) c. P(X 2) d. P(2 X 5) P(x).2 .3 4 1
Roasters Limited is a coffee-blending firm. It produces a special blend of coffee known as "Utopia Blend" by mixing two grades of coffee "AB" and "QP" as follows: Material AB QP Standard mix ratio AB...
What is the difference between loss-leader and leader pricing? When do retailers use each?
21. LO.4 Jo and Velma are equal owners of JV Company. Jo invests $500,000 cash in the venture. Velma contributes land and a building (basis to her of $125,000, fair market value of $500,000). The...
The management of Nabar Manufacturing prepared the following estimated balance sheet for June 2019. a. Sales were 20,000 units in June. Forecasted sales in units are as follows: July, 21,000; August,...
The April 25, 2012, edition of the Wall Street Journal contains an article by Spencer Jakab entitled Amazons Valuation Is Hard to Justify. Instructions Read the article and answer the following...
What type of adjusting entry will Tim record on his trial balance worksheet for the $3,095 worth of paint he purchased in September but did not record until October?
Ogonquit Enterprises prepares annual financial statements and adjusts its accounts only at the end of the year. The following information is available for the year ended December 31, 2010: a....
Suppose that items from a manufacturing process are subject to three separate evaluations, and that the results of the first evaluation X1 have a mean value of 59 with a standard deviation of 10, the...
Suppose that components are manufactured such that their heights are independent of each other with = 65.90 and = 0.32. (a) What are the mean and the standard deviation of the average height of...
In the presence of light, the addition of Br 2 to alkenes can occur by a free-radical mechanism rather than a bromonium-ion mechanism. Write a free-radical chain mechanism that shows the propagation...
Case Study : While it might be easy to see the negative effects on the environment from car emissions or the waste we produce, fewer people think about the effects of discarded clothes on the...
CompanyWeek 8 Assignment - Financial Statement Analysis Overview In this assignment, you will take your work with financial statements to the next level. You will analyze financial statements similar...
In Exercises 9-12, assume that 100 births are randomly selected. Use subjective judgment to describe the given number of girls as (a) significantly low, (b) significantly high, or (c) neither...
Which of the following is not included in the cash flow statement? a. Cash from short-term investments b. Cash from operations c. Cash from the balance sheet d. Cash from capital financing Which of...
Case Study Chapter 13B Pharm - Saved Case Study Chapter 13 Central Nervous System Stimulants and Related Drugs Nancy has been unsuccessful in preventing migraine headaches and has been prescribed a...
How does the density of a gas depend on temperature? Pressure? How does it depend on the molar mass of the gas?
During registration at Tech every quarter, students in the Department of Management must have their courses approved by the departmental advisor. It takes the advisor an average of 4 minutes...
A silver dollar is flipped twice. Calculate the probability of each of the following occurring: (a) A head on the first flip (b) A tail on the second flip given that the first toss was a head (c) Two...
An urn contains 8 red chips, 10 green chips, and 2 white chips. A chip is drawn and replaced, and then a second chip drawn. What is the probability of (a) A white chip on the first draw? (b) A white...
Evertight, a leading manufacturer of quality nails, produces 1-, 2-, 3-, 4-, and 5-inch nails for various uses. In the production process, if there is an overrun or the nails are slightly defective,...
What is the risk profile of your company? (How much overall risk is there in this firm? Where is this risk coming from (market, firm, industry or currency)? (APPLE COMPANY LATEST DATA) How is the...
What is the duration for the following bond with annual payments? 5.6300 5.7957 4.9894 5.1910 5.3806
DOLLAR TREE GROCERY OUTLET Short-Term Liquidity 2021 2022 2021 2022 Current Ratio 1.35 1.51 1.86 1.67 Quick Ratio 0.24 0.15 0.63 0.42 Cash Ratio Cash Conversion Cycle 34.78 45.75 19.41 21.61 Days...

The random variable X has an expectation of 77 and a standard deviation of 9. Find the

Question:

Step by Step Answer:

1000 EY a bE X a b 77 102 ...View the full answer

Probability And Statistics For Engineers And Scientists

Students also viewed these Statistics questions