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Construct a 99% confidence interval for the population mean, µ. Assume the population has a normal distribution. A group of 19 randomly selected employees has a mean age of 22.4 years with a standard deviation of 3.8 years. Round to the nearest tenth. O A. (16.3, 26.9) O B. (17.2, 23.6) OC. (18.7, 24.1) O D. (19.9, 24.9)

Construct a 99% confidence interval for the population mean, µ. Assume the population has a normal distribution. A group of 19 randomly selected employees has a mean age of 22.4 years with a standard deviation of 3.8 years. Round to the nearest tenth. O A. (16.3, 26.9) O B. (17.2, 23.6) OC. (18.7, 24.1) O D. (19.9, 24.9)

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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Construct a 99% confidence interval for the population mean, u. Assume the population has a normal distribution. A group of 19 randomly selected employees has a mean age of 22.4 years with a standard deviation of 3.8 years. Round to the nearest tenth. O A. (16.3, 26.9) O B. (17.2, 23.6) O C. (18.7, 24.1) O D. (19.9, 24.9)
Transcribed Image Text:Construct a 99% confidence interval for the population mean, u. Assume the population has a normal distribution. A group of 19 randomly selected employees has a mean age of 22.4 years with a standard deviation of 3.8 years. Round to the nearest tenth. O A. (16.3, 26.9) O B. (17.2, 23.6) O C. (18.7, 24.1) O D. (19.9, 24.9)
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