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Unformatted text preview: 5. X is a normal random variable with =0 and =2 P(14<x<18) Any normal random variable can be converted into a standard normal variable by standadizing it. To standardize any random variable we 1. Subtract the mean 2. Divide by the standard devation 3. or use: Problem 8.61 Mean of 75 months SD of 8 months Manufacturer wants to replace on 1% of TVs, what should warranty be? 2. The normal distribution is symmetric about its: mean = X Z...
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 Spring '08
 CANTRELL

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