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A popular restaurant takes a random sample of 25 customers and records how long each occupied a table. They found a sample mean of 1.2 hours and a sample standard deviation of 0.3 hour. Construct a 95% confidence interval estimate of the mean of the population. A The mean is within the interval having the endpoints 1.2 + 0.27. B) The mean is within the interval having the endpoints 1.2 + 1.12. © The mean is within the interval having the endpoints 1.2 + 0.12. The mean is within the interval having the endpoints 1.2 + 3.69.

A popular restaurant takes a random sample of 25 customers and records how long each occupied a table. They found a sample mean of 1.2 hours and a sample standard deviation of 0.3 hour. Construct a 95% confidence interval estimate of the mean of the population. A The mean is within the interval having the endpoints 1.2 + 0.27. B) The mean is within the interval having the endpoints 1.2 + 1.12. © The mean is within the interval having the endpoints 1.2 + 0.12. The mean is within the interval having the endpoints 1.2 + 3.69.

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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A popular restaurant takes a random sample of 25 customers and records how long each occupied a table. They found a sample mean of 1.2 hours and a sample standard deviation of 0.3 hour. Construct a 95% confidence interval estimate of the mean of the population. A The mean is within the interval having the endpoints 1.2 + 0.27. B) The mean is within the interval having the endpoints 1.2 + 1.12. © The mean is within the interval having the endpoints 1.2 + 0.12. The mean is within the interval having the endpoints 1.2 + 3.69.
Transcribed Image Text:A popular restaurant takes a random sample of 25 customers and records how long each occupied a table. They found a sample mean of 1.2 hours and a sample standard deviation of 0.3 hour. Construct a 95% confidence interval estimate of the mean of the population. A The mean is within the interval having the endpoints 1.2 + 0.27. B) The mean is within the interval having the endpoints 1.2 + 1.12. © The mean is within the interval having the endpoints 1.2 + 0.12. The mean is within the interval having the endpoints 1.2 + 3.69.
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