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Company XYZ know that replacement times for the DVD players it produces are normally distributed with a mean of 5.7 years and a standard deviation of 1.5 years. Find the probability that a randomly selected DVD player will have a replacement time less than 0.9 years. P(X < 0.9 years) = Enter your answer accurate to 4 decimal places. If the company wants to provide a warranty so that only 1.5% of the DVD players will be replaced before the warranty expires, what is the time length of the warranty? warranty years Enter your answer accurate to 1 decimal place.

Company XYZ know that replacement times for the DVD players it produces are normally distributed with a mean of 5.7 years and a standard deviation of 1.5 years. Find the probability that a randomly selected DVD player will have a replacement time less than 0.9 years. P(X < 0.9 years) = Enter your answer accurate to 4 decimal places. If the company wants to provide a warranty so that only 1.5% of the DVD players will be replaced before the warranty expires, what is the time length of the warranty? warranty years Enter your answer accurate to 1 decimal place.

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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Company XYZ know that replacement times for the DVD players it produces are normally distributed with a mean of 5.7 years and a standard deviation of 1.5 years. Find the probability that a randomly selected DVD player will have a replacement time less than 0.9 years. Р(X < 0.9 years) - Enter your answer accurate to 4 decimal places. If the company wants to provide a warranty so that only 1.5% of the DVD players will be replaced before the warranty expires, what is the time length of the warranty? warranty years Enter your answer accurate to 1 decimal place. Submit Question
Transcribed Image Text:Company XYZ know that replacement times for the DVD players it produces are normally distributed with a mean of 5.7 years and a standard deviation of 1.5 years. Find the probability that a randomly selected DVD player will have a replacement time less than 0.9 years. Р(X < 0.9 years) - Enter your answer accurate to 4 decimal places. If the company wants to provide a warranty so that only 1.5% of the DVD players will be replaced before the warranty expires, what is the time length of the warranty? warranty years Enter your answer accurate to 1 decimal place. Submit Question
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