Company XYZ know that replacement times for the portable MP3 players it produces are normally distributed with a mean of 3.6 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 0.5 years?P(X < 0.5 years) = _________ If the company wants to provide a warranty so that only 4.4% of the portable MP3 players will be replaced before the warranty expires, what is the time length of the warranty?warranty =  ___________ years

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.