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Suppose X is a binomial random variable with n = 25 y p = .7. Find the following: P (X = 18)P (X = 15)

Suppose X is a binomial random variable with n = 25 y p = .7. Find the following:
1. P (X = 18)P (X = 15)
2. P (X 20)
3. P (X 16)

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