21. The probability that a driver making a gas purchase will pay by credit card is 3/5. If six cars pull up to a gas station to buy gas, treating this as a binomial distribution, what is the probability that four of the drivers will pay for the gas by credit card?

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21. The probability that a driver making a gas purchase will pay by credit card is 3/5. If six cars pull up
to a gas station to buy gas, treating this as a binomial distribution, what is the probability that four of
the drivers will pay for the gas by credit card?
Transcribed Image Text:21. The probability that a driver making a gas purchase will pay by credit card is 3/5. If six cars pull up to a gas station to buy gas, treating this as a binomial distribution, what is the probability that four of the drivers will pay for the gas by credit card?
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