large software development firm recently relocated its facilities. Top management is interested in fostering good relations with their new local community and has encouraged their professional employees to engage in local service activities. They want to test if the firm's professionals volunteer an average of 15 hours per month or not (two-sided test). Suppose 41 professional employees are randomly selected. This sample yields a mean of 15.2 hours and a standard deviation of 1.8 hours. The 95% confidence interval is: A. 10.65 to 20.22 hours B. 13.88 to 14.29 hours C. 11.98 to 18.02 hours D. 14.63 to 15.77 hours
large software development firm recently relocated its facilities. Top management is interested in fostering good relations with their new local community and has encouraged their professional employees to engage in local service activities. They want to test if the firm's professionals volunteer an average of 15 hours per month or not (two-sided test). Suppose 41 professional employees are randomly selected. This sample yields a mean of 15.2 hours and a standard deviation of 1.8 hours. The 95% confidence interval is: A. 10.65 to 20.22 hours B. 13.88 to 14.29 hours C. 11.98 to 18.02 hours D. 14.63 to 15.77 hours
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 large software development firm recently relocated its facilities. Top management is interested in fostering good relations with their new local community and has encouraged their professional employees to engage in local service activities. They want to test if the firm's professionals volunteer an average of 15 hours per month or not (two-sided test). Suppose 41 professional employees are randomly selected. This sample yields a mean of 15.2 hours and a standard deviation of 1.8 hours. The 95% confidence interval is:
A. 10.65 to 20.22 hours
B. 13.88 to 14.29 hours
C. 11.98 to 18.02 hours
D. 14.63 to 15.77 hours
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