Question: Suppose that X is a binomial random variable with =200 and p=0.4. (a) Approximate the probability that X is less than or equal to 70.

Suppose that X is a binomial random variable with =200 and p=0.4.

(a) Approximate the probability that X is less than or equal to 70.

(b) Approximate the probability that X is greater than 70 and less than 90.

(c) Approximate the probability that X = 80.

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