A sample of 60 night-school students' ages is obtained in order to estimate the mean age of
Question:
a. Give a point estimate for .
b. Find the 95% confidence interval for .
c. Find the 99% confidence interval for .
Transcribed Image Text:
-= 25.3
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 58% (12 reviews)
a 253 b Step 1 The mean age of night school students Step 2 a normality assumed CLT with n 60 ...View the full answer
Answered By
Utsab mitra
I have the expertise to deliver these subjects to college and higher-level students. The services would involve only solving assignments, homework help, and others.
I have experience in delivering these subjects for the last 6 years on a freelancing basis in different companies around the globe. I am CMA certified and CGMA UK. I have professional experience of 18 years in the industry involved in the manufacturing company and IT implementation experience of over 12 years.
I have delivered this help to students effortlessly, which is essential to give the students a good grade in their studies.
3.50+
2+ Reviews
10+ Question Solved
Related Book For
Question Posted:
Students also viewed these Statistics questions
-
In order to estimate the mean 30-year fixed mortgage rate for a home loan in the United States, a random sample of 28 recent loans is taken. The average calculated from this sample is 5.25%. It can...
-
A statistics practitioner wants to estimate the mean age of children in his city. Unfortunately, he does not have a complete list of households. Describe a sampling plan that would be suitable for...
-
In order to estimate the average electric usage per month, a sample of 196 houses was selected, and their electric usage determined. Assume a population standard deviation of 350 KWH. a. Determine...
-
Why might a supervisor be motivated to perceive a subordinate's performance as being poor when it really is not?
-
With reference to Exercise 3.107 on page 108, by how much can a salesperson who spends $12 on gasoline expect to be reimbursed?
-
List the four main elements in the ecological framework for analysing work team effectiveness. 202-1
-
4.3 (a) If you are using the software R to solve these exercises, use the method given in Section 2.8 to obtain SEs for the following results from the split-plot experiment to compare commercial...
-
1. What is your appraisal of the situation? Does it look good or bad? 2. Would you recommend that Arlene buy the franchise from the woman who has offered to sell? Why or why not? 3. What would you...
-
Current assets for two different companies at fiscal year-end are listed here. One is a manufacturer, Rayzer Skis Mfg., and the other, Sunrise Foods, is a grocery distribution company. Account Cash...
-
A major credit card company (call it MasterDebt) receives checks from all different regions in the country on a daily basis. Once these checks are mailed, the time a check spends in the mail (called...
-
a. Find the point estimate for µ. b. Find the 98% confidence maximum error of estimate for µ. c. Find the 98% confidence interval for µ. -0.5.
-
Two hundred fish caught in Cayuga Lake had a mean length of 14.3 inches. The population standard deviation is 2.5 inches. a. Find the 90% confidence interval for the population mean length. b. Find...
-
In Year 3 Daniels, an individual, sold Section 1245 property for $21,000 that had an adjusted basis of $12,000, resulting in a $9,000 gain. The property had cost Daniels $20,000 when purchased in...
-
You must select an orifice meter for measuring the flow rate of an organic liquid ( $\mathrm{SG}=0.8$, $\mu=15 \mathrm{cP}$ ) in a $4 \mathrm{in}$. sch 40 pipe. The maximum flow rate anticipated is...
-
A team of designers was given the task of reducing the defect rate in the manufacture of a certain printed circuit board. The team decided to reconfigure the cooling system. A total of 973 boards...
-
Level 98%: x1 = 49, n1 = 74, x2 = 62, n2 = 153 In Exercises 712, construct the confidence interval for the difference p1 p2 for the given level and values of x1, n1, x2, and n2.
-
Let X be a continuous random variable with the following PDF Find the MGF of X, M X (s). fx(x) = +) == 12e-1|2|1 e-A/).
-
The number of hours spent studying per day by a sample of 28 students In Exercises 2326, use technology to draw a box-and-whisker plot that represents the data set. 2 8 7 2 261 82 35 37 25 20 73 83...
-
Express the magnetic field due to a uniformly moving charged particle in terms of the electric field of the particle and its velocity.
-
Sheldon and Leonard had a million-dollar idea. In order to make it happen, they have to do special research first. Only Kripke can help them in this matter. But Kripke is known to be the first-class...
-
Look at the shares listing in the Financial Times. What is an average dividend yield? Select some companies with high dividend yields. Do they seem to have anything in common? How useful are the...
-
Suppose that you want to find a 95% confidence interval based on independent samples for the difference between two population proportions and that you want a margin of error of at most 0.01. a....
-
Explain how you would use Table V to find the two 2-values that divide the area under a 2-curve into a middle 0.95 area and two outside 0.025 areas. Find these two 2-values for a 2-curve with df = 14.
-
It can be shown that the square of a standard normal variable has the chi-square distribution with one degree of freedom. Use that fact to show, for a chi-square curve with one degree of freedom,...
-
Pottery Ranch Inc. has been manufacturing its own finials for its curtain rods. The company is currently operating at 100% of capacity, and variable manufacturing overhead is charged to production at...
-
3. How much life insurance do you need? Calculating resources - Part 2 Aa Aa E Paolo and Maria Rossi have completed Step 1 of their needs analysis worksheet and determined that they need $2,323,000...
-
On March 1, LGE asks to extend its past-due $1,200 account payable to Tyson, Tyson agrees to accept $200 cash and a 180-day, 8%, $1,000 note payable to replace the account payable. (Use 360 days a...
Study smarter with the SolutionInn App