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March 4, 2015

March 4, 2015

Posted by **matt** on Tuesday, December 12, 2006 at 7:00pm.

What is the probability that he picks at least 2 rap cds?

Pr (two)=5/11 * 4/10 * 6/9

Pr (three ) =5/11 * 4/10 * 3/9

add those.

Not quite bobpursley.

There are 3 ways to pick 2 rap cds: (rap,rap,rock),(rap,rock,rap), and (rock,rap,rap). So,

Pr(two)=3*(5/11 * 4/10 * 6/9)

Pr(three) = same as before

add these.

- probability -
**Anonymous**, Sunday, April 7, 2013 at 1:09am14/33

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