A plant has a pollution-control system shutdown once every 75 days, on average. What is the...
A plant has a pollution-control system shutdown once every 75 days, on average. What is the probability of at least one shutdown in the next year?
- 100.0%
- 1.33%
- 98.6%
- 99.3%
Homework Answers
Please don't hesitate to give a "thumbs up" in case
you're satisfied with the answer
A. is correct.
x = 365 days
Lambda = 75 days
P(X>=1)
= 1- P(X=0)
= 1- (75^365)*(e^-75)/(365!)
= 1- 0
= 1 or 100%
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