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Probability of rolling 10 dice, getting at least 3 "fives"?

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Summercool

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Sep 19, 2007, 4:57:11 AM9/19/07
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I kind of forgot how to calculate this, what is the probability of
rolling 10 dice, getting at least 3 "fives"?

se...@btinternet.com

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Sep 19, 2007, 5:46:56 AM9/19/07
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On 19 Sep, 09:57, Summercool <Summercooln...@gmail.com> wrote:
> I kind of forgot how to calculate this, what is the probability of
> rolling 10 dice, getting at least 3 "fives"?

Use the binomial exapansion to get almost 22.5%. If you prefer, look
at the proability of getting 0, 1 or 2 fives.

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