Question 572000: A home security has a reliability rate of 99%. In a sample of nine homes equipped with this system who
experienced an attempted burglary, what is the probability that eight or more than eight alarms were triggered,
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! A home security has a reliability rate of 99%. In a sample of nine homes equipped with this system who
experienced an attempted burglary, what is the probability that eight or more than eight alarms were triggered,
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Binomial Problem with n = 9 and p(triggered) = 0.99
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P(8<= x <=9) = 1 - P(0<= x <=7) = 1 - binomcdf(9,0.99,7) = 0.9966
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Cheers,
Stan H.
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