If the claim is true, in a sample of 152 batteries, what is the probability that the mean battery life would be greater than 636.4 minutes? 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
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Lesson: 7.2 Central Limit Theorem with Mean

Question 9 of 12, Step 1 of 1
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A quality control expert at LIFE batteries wants to test their new batteries. The design engineer claims they have a variance of 6724 with a mean life of 645 minutes.
If the claim is true, in a sample of 152 batteries, what is the probability that the mean battery life would be greater than 636.4 minutes? Round your answer to four
decimal places.
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Transcribed Image Text:Question 9 of 12, Step 1 of 1 6/12 Correct A quality control expert at LIFE batteries wants to test their new batteries. The design engineer claims they have a variance of 6724 with a mean life of 645 minutes. If the claim is true, in a sample of 152 batteries, what is the probability that the mean battery life would be greater than 636.4 minutes? Round your answer to four decimal places. Answer How to enter your answer (opens in new window) 0 Tables Keypad Keyboard Shortcuts
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