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OpenStudy (anonymous):
A bag contains 3 white marbles two black marbles and 5 red marbles what is the probability of picking a black marble
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OpenStudy (mathstudent55):
The probability of an event happening is: the number of desired outcomes / the total number of outcomes the number of desired outcomes is the number of black marbles the total number of outcomes is the total number of marbles
OpenStudy (mathstudent55):
just divide the number of black marbles by the total number of marbles
OpenStudy (anonymous):
Is it 1/5
OpenStudy (anonymous):
@mathstudent55
OpenStudy (mathstudent55):
Yes. 2/10 = 1/5 Correct.
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