The mean lifetime of a tire is 37 months with a variance of 81. If 149 tires are sampled, what is the probability that the mean of the sample would be greater than 38.69 months? Round your answer to four decimal places.
The mean lifetime of a tire is 37 months with a variance of 81. If 149 tires are sampled, what is the probability that the mean of the sample would be greater than 38.69 months? Round your answer to four decimal places.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 1GP
Question
The mean lifetime of a tire is 37 months with a variance of 81.
If 149 tires are sampled, what is the probability that the mean of the sample would be greater than 38.69 months? Round your answer to four decimal places.
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