Multiple Choice
Solve the problem.
-The life expectancy of a car battery is normally distributed. The average (mean) lifetime is 235 weeks with a standard deviation of 15 weeks. If the company guarantees the battery for 4 years, what percentage of the
Batteries sold would be expected to be returned before the end of the warranty period?
A) 0.0719
B) 0.9281
C) 0.0359
D) 0.9641
Correct Answer:
Verified
Correct Answer:
Verified
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