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anonymous
 one year ago
what is the theoretical probability of being dealt all four 7's ina 5 card hand?
anonymous
 one year ago
what is the theoretical probability of being dealt all four 7's ina 5 card hand?

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jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.0Are you familiar with the combination formula?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0probability = (possible hands with four 7's)/ (all possible hands) total num of hands = 52 choose 5 num of hands w/ four 7's = (4 choose 4)*(48 choose 1) \[P = \frac{\left(\begin{matrix}4 \\ 4\end{matrix}\right)*\left(\begin{matrix}48 \\ 1\end{matrix}\right)}{\left(\begin{matrix}52 \\ 5\end{matrix}\right)}\] formula for combinations \[\left(\begin{matrix}n \\ k\end{matrix}\right) = \frac{n!}{k! (nk)!}\]
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