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Assume the cost to enrol in a single university or college class is normally distributed. A random sample of 15 universities and/or colleges produced a mean of $1786 and a standard deviation of $937. What is the 99% confidence interval for the average cost of a single class?

Assume the cost to enrol in a single university or college class is normally distributed. A random sample of 15 universities and/or colleges produced a mean of $1786 and a standard deviation of $937. What is the 99% confidence interval for the average cost of a single class?

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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Question 12 Assume the cost to enrol in a single university or college class is normally distributed. A random sample of 15 universities and/or colleges produced a mean of $1786 and a standard deviation of $937. What is the 99% confidence interval for the average cost of a single class? O (1066, 2506) (1151, 2430) O (1163, 2409) (1162, 2410) (1073, 2499)
Transcribed Image Text:Question 12 Assume the cost to enrol in a single university or college class is normally distributed. A random sample of 15 universities and/or colleges produced a mean of $1786 and a standard deviation of $937. What is the 99% confidence interval for the average cost of a single class? O (1066, 2506) (1151, 2430) O (1163, 2409) (1162, 2410) (1073, 2499)
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