Question: More on Normal Distribution. 1. Replacement times for CD players are normally distributed with a mean of 7.1 years and standard deviation of 1.4 years.

More on Normal Distribution. 1. Replacement times for CD players are normally distributed with a mean of 7.1 years and standard deviation of 1.4 years. a) Find the probability that a randomly selected CD player will have a replacement time less than 8 years. b) If you want to provide a warranty so that only 2% of the CD players will be replaced before the warranty expires, what is the time length of the warranty

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