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Statistics

Replacement times for TV sets are normally distributed with a mean of 8.2 years and a standard deviation of 1.1 years.

1. Find the probability that a randomly selected TV will have a replacement time less than 5 years.

2. If you want to provide a warranty so that only 1% of the TV sets will be replaced before the warranty expires, what is the time length of the warranty?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9120995

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