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A publisher wants to estimate the mean length of time (in minutes) all adults spend reading newspapers. T this estimate, the publisher takes a random sample of 15 people and obtains the results below. From past publisher assumes o is 2.2 minutes and that the population of times is normally distributed. 7 9 8 6 12 6 9 10 12 9 *** 10 11 6 7 Construct the 90% and 99% confidence intervals for the population mean. Which interval is wider? If conv technology to construct the confidence intervals. The 90% confidence interval is .). (Round to one decimal place as needed.) (Round to one decimal place as needed.)

A publisher wants to estimate the mean length of time (in minutes) all adults spend reading newspapers. T this estimate, the publisher takes a random sample of 15 people and obtains the results below. From past publisher assumes o is 2.2 minutes and that the population of times is normally distributed. 7 9 8 6 12 6 9 10 12 9 *** 10 11 6 7 Construct the 90% and 99% confidence intervals for the population mean. Which interval is wider? If conv technology to construct the confidence intervals. The 90% confidence interval is .). (Round to one decimal place as needed.) (Round to one decimal place as needed.)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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wwwwwww A publisher wants to estimate the mean length of time (in minutes) all adults spend reading newspapers. To determine this estimate, the publisher takes a random sample of 15 people and obtains the results below. From past studies, the publisher assumes o is 2.2 minutes and that the population of times is normally distributed. 7 9 8 6 6 9 10 Which interval is wider? O Ⓡ 12 9 The 99% confidence interval The 90% confidence interval 12 10 11 Construct the 90% and 99% confidence intervals for the population mean. Which interval is wider? If convenient, use technology to construct the confidence intervals. The 90% confidence interval is (). (Round to one decimal place as needed.) The 99% confidence interval is (). (Round to one decimal place as needed.) 6 7 11
Transcribed Image Text:wwwwwww A publisher wants to estimate the mean length of time (in minutes) all adults spend reading newspapers. To determine this estimate, the publisher takes a random sample of 15 people and obtains the results below. From past studies, the publisher assumes o is 2.2 minutes and that the population of times is normally distributed. 7 9 8 6 6 9 10 Which interval is wider? O Ⓡ 12 9 The 99% confidence interval The 90% confidence interval 12 10 11 Construct the 90% and 99% confidence intervals for the population mean. Which interval is wider? If convenient, use technology to construct the confidence intervals. The 90% confidence interval is (). (Round to one decimal place as needed.) The 99% confidence interval is (). (Round to one decimal place as needed.) 6 7 11
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