Company XYZ know that replacement times for the DVD players it produces are normally distributed with a mean of 5.5 year
Posted: Mon Jul 11, 2022 11:28 am
Company XYZ know that replacement times for the DVD players it produces are normally distributed with a mean of 5.5 years and a standard deviation of 2.4 years. If the company wants to provide a warranty so that only 1.6% 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. Check Answer