A production manager at a wall clock company wants to test their new wall clocks. The designer claims they have a mean life of 1717 years with a variance of 2525. If the claim is true, in a sample of 3939 wall clocks, what is the probability that the mean clock life would differ from the population mean by less than 22 years? Round your answer to four decimal places.

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter9: Sequences, Probability And Counting Theory
Section9.7: Probability
Problem 1SE: What term is used to express the likelihood of an event occurring? Are there restrictions on its...
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A production manager at a wall clock company wants to test their new wall clocks. The designer claims they have a mean life of 1717 years with a variance of 2525.

If the claim is true, in a sample of 3939 wall clocks, what is the probability that the mean clock life would differ from the population mean by less than 22 years? Round your answer to four decimal places.

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