Mathematics, 24.10.2019 23:43 Rflaig1129841
Replacement times for tv sets are normally distributed with a mean of 8.2 years and a standard deviation of 1.1 years (consumer reports). find the probability that a randomly selected tv will have a replacement time less than 5.0 years. 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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