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OpenStudy (anonymous):
A bag has 5 red marbles, 6 blue marbles and 4 black marbles. What is the probability of picking a red marble, replacing it, and then picking a blue marble?
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OpenStudy (anonymous):
well find out how many marbles are total?
OpenStudy (anonymous):
15
OpenStudy (anonymous):
ok that will be the denominater of the fraction. the 6 will be the numerator
OpenStudy (anonymous):
6/15 then what
OpenStudy (anonymous):
4/45, 8/75, 2/15, or 1/9
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