Solved

Solve the Problem 5%5 \% Of the Batteries to Fail While Under Warranty?
A) Less

Question 139

Multiple Choice

Solve the problem.
-If the life, in months, of a certain type of car battery is normally distributed with a mean of 76 months and a standard deviation of 10 months, what should be the guarantee period if the company wants less than 5%5 \% of the batteries to fail while under warranty?


A) Less than 50.2 months
B) Less than 12.54 months
C) Less than 92.5 months
D) Less than 59.5 months

Correct Answer:

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