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September 15, 2014

September 15, 2014

Posted by **nathalie** on Tuesday, May 22, 2012 at 3:52am.

- statistics -
**MathGuru**, Tuesday, May 22, 2012 at 5:36pmHere's one way to do this problem:

n = 5

p = .25

q = 1 - p = 1 - .25 = .75

You can do this: you can find P(0) and P(1), add both values together, then subtract from 1.

You can use a binomial probability table, or calculate by hand using the following formula:

P(x) = (nCx)(p^x)[q^(n-x)]

I hope this will help.

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