Company XYZ knows that replacement times for the DVD players it produces are normally distributed with a mean of 10.3 years and a standard deviation of 1.6 years. If the company wants to provide a warranty so that only 3.9% of the DVD players will be replaced before the warranty expires, what is the time length of the warranty? warranty =    ?  years Enter your answer as a number accurate to 1 decimal place. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Company XYZ knows that replacement times for the DVD players it produces are normally distributed with a mean of 10.3 years and a standard deviation of 1.6 years.

If the company wants to provide a warranty so that only 3.9% of the DVD players will be replaced before the warranty expires, what is the time length of the warranty?
warranty =    ?  years

Enter your answer as a number accurate to 1 decimal place. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.

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