Find probability x is within one standard deviation of mean

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Reference no: EM131426318

Suppose X is a binomial random variable with n = 25 and p = 0.80.

a. Find the mean, variance, and standard deviation of X.

b. Find the probability X is within one standard deviation of the mean.

c. Find the probability X is more than two standard deviations from the mean.

Reference no: EM131426318

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