History of being successful at getting a donor

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Find sample size, mean and standard deviation for the binomial distribution.

Quota Problem Sales June solicits contributions for charity by phone. She has a history of being successful at getting a donor on 55% of her calls. If June has a quota to get at least four donors each day, how many calls must she make to be 96.4% sure of meeting the quota?

Reference no: EM1316964

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