SOLUTION: A machine has 9 identical components which function independently. The probability that a component will fail is 0.2. The machine will stop working if more than three components fa

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Question 574576: A machine has 9 identical components which function independently. The probability that a component will fail is 0.2. The machine will stop working if more than three components fail. Find the probability that the machine will be working.
Answer by stanbon(75887) About Me  (Show Source):
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A machine has 9 identical components which function independently. The probability that a component will fail is 0.2. The machine will stop working if more than three components fail. Find the probability that the machine will be working.
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Binomial Problem with n = 9 and p(fail) = 0.02
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P(0<= x <=3) = binomcdf(9,0.02,3) = 0.9993
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Cheers,
Stan H.
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