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Suppose a jar contains 15 red marbles and 19 blue marbles. If you reach in the jar and pull out 2 marbles at random at the same time, find the probability that both are red.
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Suppose a jar contains 15 red marbles and 19 blue marbles. If you reach in the jar and pull out 2 marbles at random at the same time, find the probability that both are red.

User Uvtc
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1 Answer

4 votes

Answer:
\bold{(35)/(187)}

Explanation:

1st marble and 2nd marble


(15\ red)/(34\ total)
*
(14\ red)/(33\ total)
=(15* 14)/(34* 33)=(5* 7)/(17* 11)= \boxed{(35)/(187)}

User Sakin
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