Question 664242
Assume that your alarm clock has a .87 probability of working. What is the probability that the alarm clock will fail on the morning of a final exam?
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P(works)+P(doesn't work) = 1
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P(fail) = 1 - P(works)
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P(fail) = 1 - 0.87
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P(fail) = 0.13
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Cheers,
Stan H.
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