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OpenStudy (anonymous):
A jar contains 4 blue and 17 black marbles. A marble is drawn at random. P(notblue)
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OpenStudy (anonymous):
ok so there are 21 medals in all right?
OpenStudy (anonymous):
so if the chances are AGAINST BLUE [meaning black]
OpenStudy (anonymous):
it means tht u have a 17/21 chance for you to pick a red marble :P
OpenStudy (anonymous):
Any More Questions? :P
OpenStudy (anonymous):
Yup :)
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