The probability that a certain make of car will need repairs in the first six months is 0.2 . A dealer sells six such cars. What is the probability that at least one of them will require repairs in the first six months? Round your final answer to four decimal places.
Added by Lynn P.
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The probability that a car will not need repairs is 1 - 0.2 = 0.8. Since the cars are sold independently, the probability that none of them will need repairs is (0.8)^6 = 0.262144. Show more…
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