Standard deviation of the number of sales made per week

Reference no: EM131813154

Question: A travelling salesman makes a sale on 65% of his calls on regular customers. He makes four sales calls each day.

a. Construct the probability distribution of X, the number of sales made each day.

b. Find the probability that, on a randomly selected day, the salesman will make a sale.

c. Assuming that the salesman makes 20 sales calls per week, find the mean and standard deviation of the number of sales made per week.

Reference no: EM131813154

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