(a) How many different outcomes are there from rollingnidentical dice?

(b) How many of these sequences contain at least one 6?

I got $\displaystyle 6^n$ for part(a) but I'm very muddled over the 2nd part of this question...

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- Aug 30th 2009, 07:35 AMDaRush19Rolling n dice
(a) How many different outcomes are there from rolling

*n*identical dice?

(b) How many of these sequences contain at least one 6?

I got $\displaystyle 6^n$ for part(a) but I'm very muddled over the 2nd part of this question... - Aug 30th 2009, 07:57 AMPlato
- Aug 31st 2009, 02:38 AMDaRush19
Because $\displaystyle 5^n$ contains no 6's at all.

Thanks!