(Answered) The proportion of credit-card holders who pay their bill in

Statistics

The proportion of credit-card holders who pay their bill in full each month is 20%; the other 80% make only a partial or no payment.

(a) In a random sample of 17 customers, what is the probability that:

i. 4 customers pay their bill in full?
ii. More than 4 customers pay their bill in full?

(b) What is the expected number of customers who credit card bill in full?

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