Green Marble
Posted November 14, 2009
By admin
A bag contains 7 red marbles, 3 blue marbles, and 2 green marbles. If one marble is selected at random, determ?
A bag contains 7 red marbles, 3 blue marbles, and 2 green marbles. If one marble is selected at random, determine the probability that it is blue.
there are 3 blue marbles
there are 12 marbles total
3/12=1/4=.25=25%
P(B)=25%
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