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Mathematics 19 Online
OpenStudy (anonymous):

What is the theoretical probability of being dealt exactly three 4s in a 5-card hand from a standard 52-card deck?

OpenStudy (anonymous):

3 fours and evidently 2 not fours

OpenStudy (anonymous):

number of ways to get 3 out of the four 4's is 4 number of possibilities for 2 out of the 48 cards that are not four is \(\binom{48}{2}\)

OpenStudy (anonymous):

and the total number of 5 card hands in a 52 card deck is \(\binom{52}{5}\) your answer is \[\frac{4\times \dbinom{48}{2}}{\dbinom{52}{5}}\]

OpenStudy (anonymous):

Do i have to solve that to get my answer ?

OpenStudy (anonymous):

i would use a calculator, or better yet use this https://www.wolframalpha.com/input/?i=%284*%2848+choose+2%29%2F%2852+choose+5%29

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