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October 21, 2014

October 21, 2014

Posted by **Tim** on Thursday, November 1, 2012 at 8:29pm.

- math -
**MathGuru**, Friday, November 2, 2012 at 6:03pmUse the binomial distribution.

If you calculate by hand, here is a formula:

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

x = 0

n = 2

p = .5

q = 1 - p = .5

Substitute into the formula and calculate.

I hope this will help.

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