Probabilities
posted by Andrey L .
A jar contains 2 red marbles, 3 green marbles, 4 blue marbles, and 5 yellow marbles. Two marbles are drawn in succession, without replacement. The probability that neither is yellow?

find prob of getting two yellows
= (5/14)(4/13) = 10/91
so prob that neither is yellow = 110/91 = 81/91
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