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OpenStudy (anonymous):
A bag has five red marbles, six blue marbles, and four black marbles. What is the probability of picking a blue marble, replacing it, and then picking a black marble?
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OpenStudy (anonymous):
ooh I love these
OpenStudy (anonymous):
ok so there are 15 marbles total
OpenStudy (anonymous):
so I believe that it would be 5/15 for picking blue
Directrix (directrix):
@satellite73 has answered a very similar question here. Take a look at the link: http://openstudy.com/updates/50c0e343e4b069388b55f835 @iharris8 @GingaTheNinja
Directrix (directrix):
After you have studied Sat's solution, do you follow that yours will be (6/15) * (4/15) ? @iharris8
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OpenStudy (anonymous):
yes
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