Posted by **adex** on Wednesday, April 17, 2013 at 9:19am.

A fair die is rolled three times. Find the chance that three different faces appear.

- maths -
**Steve**, Wednesday, April 17, 2013 at 10:46am
on the first roll, some face appears.

On the 2nd roll, there's a 5/6 chance that a new face appears

On the 3rd roll, there's a 4/6 chance that a new face appears.

So, p=(1)(5/6)(4/6) = 5/9

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