SOLUTION: cara has 15 crayons, 5 red,5 blue,5 yellow.if she takes 2 crayons out, what is the probability she will choose one red and one yellow?
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Question 589645: cara has 15 crayons, 5 red,5 blue,5 yellow.if she takes 2 crayons out, what is the probability she will choose one red and one yellow?
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
Combination=nCr=n!/((n-r)!*r!)
(5C1)(5C1)/15C2
=25/105
=5/21 probability she will choose one red and one yellow.
.
Ed
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