SOLUTION: What is the probability of an item failing in less than 5 hours if it has a constant failure rate of 1/hour ?
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Question 932489: What is the probability of an item failing in less than 5 hours if it has a constant failure rate of 1/hour ?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
avg = 1 per hour 0r avg = 5 per 5hr
...
P(x < 5hr) = P(x ≤ 4hr) = poissoncdf(5,4) = .4405 0r 44.05%
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