(Answered) A telemarketer makes six phone calls per hour and is able

Statistics

A telemarketer makes six phone calls per hour and is able to make a sale on 30 percent of these contacts. During the next two hours, find:

a. The probability of making exactly four sales.

b. The probability of making no sales.

c. The probability of making exactly two sales.

d. The mean number of sales in the two-hour period.

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