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Answer on Statistics and Probability Question for Mark

Question #10156
Hi, I need help with a homework question that I am working on. The answer and how you came to the answer would be very helpful. This is the question:

Assume a binomial probability distribution with n = 40 and π = .55. Compute the following:
a. The mean and standard deviation of the random variable.
b. The probability that X is 25 or greater.
c. The probability that X is 15 or less.
d. Thr probability that X is between 15 and 25, inclusive.

Thanks!
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