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Suppose That Replacement Times for Washing Machines Are Normally Distributed

Question 36

Multiple Choice

Suppose that replacement times for washing machines are normally distributed with a mean of 10.9 years and a standard deviation of 1 years. Find the replacement time that separates the top 18% from the bottom 82%.


A) 11.1 years
B) 10.0 years
C) 11.0 years
D) 11.8 years

Correct Answer:

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