In a random sample of five mobile devices, the mean repair cost was $65.00 and the standard deviation was $12.00. Assume the population is normally distributed and use a t-distribution to find the margin of error and construct a 95% confidence interval for the population mean. Interpret the results. The 95% confidence interval for the population mean u is ( ). (Round to two decimal places as needed.) 221 PM 58°F 12/1/2021 search 立
In a random sample of five mobile devices, the mean repair cost was $65.00 and the standard deviation was $12.00. Assume the population is normally distributed and use a t-distribution to find the margin of error and construct a 95% confidence interval for the population mean. Interpret the results. The 95% confidence interval for the population mean u is ( ). (Round to two decimal places as needed.) 221 PM 58°F 12/1/2021 search 立
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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Transcribed Image Text:In a random sample of five mobile devices, the mean repair cost was $65.00 and the standard deviation was $12.00. Assume the population is normally distributed and use a
t-distribution to find the margin of error and construct a 95% confidence interval for the population mean. Interpret the results.
The 95% confidence interval for the population mean p is
(Round to two decimal places as needed.)
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12/1/2021
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