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Calculate the probability that exactly five customers

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Thirty percent of all customers who enter a store will make a purchase. Suppose that six customers enter the store and that these customers make independent purchase decisions.

(1) Use the binomial formula to calculate the probability that exactly five customers make a purchase. (Round your answer to 4 decimal places.)

(2) Use the binomial formula to calculate the probability that at least three customers make a purchase. (Round your answer to 4 decimal places.)

(3) Use the binomial formula to calculate the probability that two or fewer customers make a purchase. (Round your answer to 4 decimal places.)

(4) Use the binomial formula to calculate the probability that at least one customer makes a purchase. (Round your answer to 4 decimal places.)

Reference no: EM132464563

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