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4. 5 pt The annual rainfall (in inches) in a certain region is normally distributed with p = 40 and a = 4. Assuming that

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4. 5 pt The annual rainfall (in inches) in a certain region is normally distributed with p = 40 and a = 4. Assuming that the annual rainfall in this region is independent from year to year, what is the probability that starting with this year, it will take over 10 years before a year occurs having a rainfall of over 50 inches? (Hint: @(25) x 0.9938.)

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