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Assume a binomial probability distribution with n = 40 and = 0.55.

Compute the following: (Round the value for standard deviation and intermediate calculations to 2 decimal places and your final answer to 4 decimal places.)

(a) The mean and standard deviation of the random variable.

(b) The probability that X is 25 or greater

(d) The probability that X is between 15 and 25, inclusive

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