The mean output of a certain type of amplifier is 165 watts with a variance of 144. If 78 amplifiers are sampled, what is the probability that the mean of the sample would be greater than 163.7 watts? Round your answer to four decimal places.

The mean output of a certain type of amplifier is 165 watts with a variance of 144. If 78 amplifiers are sampled, what is the probability that the mean of the sample would be greater than 163.7 watts? 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

Section10.6: Summarizing Categorical Data

Problem 4CGP

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The mean output of a certain type of amplifier is 165 watts with a variance of 144.

If 78 amplifiers are sampled, what is the probability that the mean of the sample would be greater than 163.7 watts? Round your answer to four decimal places.

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