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December 21, 2014

December 21, 2014

Posted by **Anonymous** on Wednesday, April 11, 2012 at 12:18am.

(balck,Queen) (black,Diamond) (jack,Queen)

- math -
**Reiny**, Wednesday, April 11, 2012 at 8:13amfirst one:

prob(black) = 1/2

prob(queen) = 4/52 = 1/13

prob(black queen in that order) = (1/2)(1/13) = 1/26

There are several interpretations possible for this question.

e.g.

- what if you first card is the black queen? can the second card be anything?

- does the order matter, that is, do you consider (black, queen) the same as (queen, black) ?

etc.

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