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July 28, 2015

Homework Help: math/probability

Posted by jason on Wednesday, October 21, 2009 at 10:43pm.

A jar contains four marbles, each a different color: red,
blue, green, and yellow. If you draw two marbles from
the jar, one after another, replacing the first before
drawing the second, what is the probability of getting
a. two red marbles?
b. a red marble on the first draw and a green marble on
the second draw?
c. at least one red marble and one green marble?
d. no yellow marbles?

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