The manager for state bank and trust has recently examined

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The manager for State Bank and Trust has recently examined the credit card account balances for the customers of her bank and found that 20% have an outstanding balance at the credit card limit. Suppose the manager randomly selects 15 customers and finds 4 that have balances at the limit. Assume that the properties of the binomial distribution apply.

What is the probability that 4 or fewer customers in the sample will have balances at the limit of the credit card?

Reference no: EM13617777

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