Solve the problem.
-If the life, in years, of a washing machine is normally distributed with a mean of 15 years and a standard deviation of 2.4 years, what should be the guarantee period if the company wants less than $1 \%$ of the machines to fail while under warranty?
A)L ess than 20.592 years
B) More than 9.408 years
C)L ess than 9.408 years
D) More than 20.592 years

Question

Quizplus · Accepted Answer

The Answer of Solve the problem.
-If the life, in years, of a washing machine is normally distributed with a mean of 15 years and a standard deviation of 2.4 years, what should be the guarantee period if the company wants less than $1 \%$ of the machines to fail while under warranty?
A)L ess than 20.592 years
B) More than 9.408 years
C)L ess than 9.408 years
D) More than 20.592 years

Solve the Problem 1%1 \%1% Of the Machines to Fail While Under Warranty? A)L Ess

Solve the Problem $1 \%$ Of the Machines to Fail While Under Warranty?
A)L Ess