Question: 3 (15 points) No answer yet Let X be a binomial random variable with parameters 7:. and p. Evaluate the expected value of . 4

3 (15 points) No answer yet Let X be a binomial random variable with parameters 7:. and p. Evaluate the expected value of . 4 (15 points) No answer yet Prove that if the random variable X takes only nonnegative integers as its values then

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