Asked by Anonymous

A bag contains 3 red marbles, 4 blue marbles, and 5 white marbles. What is the probability of pulling out two red marbles in a row if none are replaced?

A. 1/22
B. 1/16
C. 1/24
D. 1/5
Answered by Steve
"none" is singular.

There are 12 marbles in all, so

P(red,red) = 3/12 * 2/11
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