Question: Not sure how to work through these: Suppose a random variable, x , arises from a binomial experiment. If n = 25, and p =

Not sure how to work through these:

Suppose a random variable, x, arises from a binomial experiment. If n = 25, and p = 0.85, find the variance. Round answer to 4 decimal places.

If random variable X has a binomial distribution with n =6and P(success) =p =0.5, find the probability that X is less than4. (That is, find P(X<4))

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