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OpenStudy (merchandize):
The probability that a certain kind of component will survive a shock is 0.75. Find the probability 1) exactly two of the next 8 component tested survive. 2) at least two will survive.
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OpenStudy (espex):
If the probability is .75 that one will survive, and you wan to know if exactly 2 of the next 8 will, take the probability of .75/8 plus .75/8, as that is exactly 2.
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