Need help with the binomial formula?!
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Need help with the binomial formula?!

[From: ] [author: ] [Date: 11-11-05] [Hit: ]
5)^5 = 0.246-p = .= .5^10 x 10!/5!5!......
Use the binomial formula to find the indicated probabilities:

1. The probability of observing 5 heads on 10 tosses of a fair coin.

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it would be (10 C 5) (0.5)^5 (0.5)^5 = 0.246

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p = .5^10 x 10C5
= .5^10 x 10!/5!5!
= .5^10 x 252
= 0.24609375 or approx. 24.61%
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