SOLUTION: The probability that a car will need repairs the first six months is 0.29. A dealer sells 7 such cars. What is the probability that at least one of the cars will need repair in t

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Question 881721: The probability that a car will need repairs the first six months is 0.29. A dealer sells 7 such cars. What is the probability that at least one of the cars will need repair in the first six months?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
p(repair) = .29, n = 7
P(at least 1 needs repair) = 1 - P(none) = 1 - (.71)^7