Question
A quality control expert at LIFE batteries wants to test their new batteries. The design engineer claims they have a standard deviation of 87 87
A quality control expert at LIFE batteries wants to test their new batteries. The design engineer claims they have a standard deviation of 87
87 minutes with a mean life of 538
538 minutes.
If the claim is true, in a sample of134
134batteries, what is the probability that the mean battery life would differ from the population mean by more than17.5
17.5minutes? Round your answer to four decimal places.
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College Algebra Graphs and Models
Authors: Marvin L. Bittinger, Judith A. Beecher, David J. Ellenbogen, Judith A. Penna
5th edition
321845404, 978-0321791009, 321791002, 978-0321783950, 321783956, 978-0321845405
