SOLUTION: A random sample of 420 new hybrid vehicles showed that 105 required repairs within the first warranty year. What is the probability that a new hybrid vehicle will not need repa

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Question 760290: A random sample of 420 new hybrid vehicles showed that 105 required repairs within the first warranty year.
What is the probability that a new hybrid vehicle will not need repairs within the first warranty year?

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
A random sample of 420 new hybrid vehicles showed that 105 required repairs within the first warranty year.
What is the probability that a new hybrid vehicle will not need repairs within the first warranty year?
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Ans: p(need repair) = 105/420 = 1/4
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Cheers,
Stan H.
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