Find the probability that at least one donation will be

Reference no: EM13621455

Suppose that a telephone solicitor for a particular charity makes 10 random calls. She estimates that there is 20% chance that a given call will result in donation. Let X denotes the number of donations obtained.

(a) Find the mean and standard deviation of X.

(b) Find the probability that at least one donation will be obtained.

Reference no: EM13621455

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