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14111cwir9ws.2 - 6. The following is a histogram for the...

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5. The weather forecaster predicts that the probability that it will rain on Friday is 0 . 38, the probability that it will rain on Saturday is 0 . 52, and the probability that it rain on both days is 0 . 25. What are the odds that it will NOT rain on either day?
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Unformatted text preview: 6. The following is a histogram for the random variable X . 0.2 0.3 0.1 40 42 43 44 45 41 x P(X=x) (a) Find E ( X ). (b) What is the mode? (c) What is the median? (d) What is the standard deviation? (e) What is the variance? (f) Find P ( X > 43)...
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This note was uploaded on 03/04/2012 for the course MATH 141 taught by Professor Jillzarestky during the Fall '08 term at Texas A&M.

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