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Company XYZ know that replacement times for the portable MP3 players it produces are normally distributed with a mean of 3 years and a standard deviation of 1.1 years. Find the probability that a randomly selected portable MP3 player will have a replacement time less than 0.6 years? P(X < 0.6 years) - 0.0146 Enter your answer accurate to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted. If the company wants to provide a warranty so that only 2.4% of the portable MP3 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.

Company XYZ know that replacement times for the portable MP3 players it produces are normally distributed with a mean of 3 years and a standard deviation of 1.1 years. Find the probability that a randomly selected portable MP3 player will have a replacement time less than 0.6 years? P(X < 0.6 years) - 0.0146 Enter your answer accurate to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted. If the company wants to provide a warranty so that only 2.4% of the portable MP3 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.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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Company XYZ know that replacement times for the portable MP3 players it produces are normally distributed with a mean of 3 years and a standard deviation of 1.1 years. Find the probability that a randomly selected portable MP3 player will have a replacement time less than 0.6 years? P(X < 0.6 years) =0.0146 Enter your answer accurate to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted. If the company wants to provide a warranty so that only 2.4% of the portable MP3 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.
Transcribed Image Text:Company XYZ know that replacement times for the portable MP3 players it produces are normally distributed with a mean of 3 years and a standard deviation of 1.1 years. Find the probability that a randomly selected portable MP3 player will have a replacement time less than 0.6 years? P(X < 0.6 years) =0.0146 Enter your answer accurate to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted. If the company wants to provide a warranty so that only 2.4% of the portable MP3 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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