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January 31, 2015

January 31, 2015

Posted by **Shams** on Tuesday, October 26, 2010 at 6:30am.

- Statistics -
**MathGuru**, Tuesday, October 26, 2010 at 8:51pmHere's one way to do this problem.

Poisson distribution (m = mean):

P(x) = e^(-m) m^x / x!

Note: mean = .02*200 = 4

Find P(0) through P(5). Add together for the probability.

Here's P(0):

P(0) = (e^ -4) (4^0) / (0!)

= (0.0183) (1) / (1)

= 0.0183

I hope this will help get you started.

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