What is the expected value and mean

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Past experience indicates that an average number of 6 customers per hour stop for gasoline at a gasoline pump.

(a) What is the probability of 3 customers stopping in any hour?

(b) What is the probability of 3 customers or less in any hour?

(c) What is the expected value, or mean, and standard deviation for this distribution?

Reference no: EM13895940

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