What is the probability the salesman will make exactly

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Assume 20% of customers who enter a clothing store make a purchase and customers behave independently of one another. Ten customers enter the store in the next hour. The salesman on duty makes $20 per hour plus a $10 commission on each sale.

Q. What is the probability the salesman will make exactly $50 in the next hour?

Reference no: EM132134508

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