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The probability that it rains on a particular day in an area is 0.3. If 12...

The probability that it rains on a particular day in an area is 0.3. If 12 days pass, what is the probability that it rains: (a) at least 10 days, (b) from 3 to 8 days, (c) exactly 5 days?

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(c)

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