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    Basic Probability (Averages)

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    1. Suppose that the monthly worldwide average of airplane crashes of commercial planes is 2.0.
    (a) What is the probability of exactly 6 crashes in the first 3 months?
    (b) What is the probability of having exactly 2 crashes in each of the first two months?
    (c) What is the probability of having exactly 2 crashes in the each of the first two months, given that there are exactly 6 crashes in the first 3 months?

    *Please specify the terms you use (if necessary) and explain each step of your solutions.

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    https://brainmass.com/math/probability/basic-probability-averages-35976

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