A store manager claims that the mean amount of time customers spend waiting in line is less than the 3.7 minutes. You wish to test this claim. The mean waiting time for a random sample of 85 customers is 3.3 minutes with a standard deviation of 0.8 minutes. What is the test statistic? O-4.61 O1.645 O 4.61 O -0.50
A store manager claims that the mean amount of time customers spend waiting in line is less than the 3.7 minutes. You wish to test this claim. The mean waiting time for a random sample of 85 customers is 3.3 minutes with a standard deviation of 0.8 minutes. What is the test statistic? O-4.61 O1.645 O 4.61 O -0.50
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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