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 cscism Posts: 1, Reputation: 1 New Member #1 Nov 3, 2010, 10:23 AM
I need free help on my statistics homework?
X is a binomial random varible. Probability for x for n=2, x=2, p=.4 P(x)=
Can you show me how to do this problem?
 Unknown008 Posts: 8,076, Reputation: 723 Uber Member #2 Nov 3, 2010, 12:41 PM

Well, for a binomial distribution, you represent it as follows:

$X \sim B(n,p)$

Then, for

$P(X = x) = \(n \\ x \) (q)^{n-x}(p)^x$

Can you try it with your problem?

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