A sample of 66 elements from a normally distributed population is selected, The sample mean is 11 with a standard deviation of 5. The 90% confidence interval for the population mean is? 10.12 to 12.03 O 9.97 to 12.03 O 9.97 to 11.12 10.20 to 11.79

A sample of 66 elements from a normally distributed population is selected, The sample mean is 11 with a standard deviation of 5. The 90% confidence interval for the population mean is? 10.12 to 12.03 O 9.97 to 12.03 O 9.97 to 11.12 10.20 to 11.79

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Question

A sample of 66 elements from a normally distributed population is selected. The
sample mean is 11 with a standard deviation of 5. The 90% confidence interval for
the population mean is?
10.12 to 12.03
O 9.97 to 12.03
O 9.97 to 11.12
10.20 to 11.79

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