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andreev551 [17]
2 years ago
13

Got it wrong plss help and explain

Mathematics
1 answer:
Karolina [17]2 years ago
8 0
Because it says "not black" we would do white marbles
There are 15 white marbles and a total of 20
So the fraction of white marbles to total would be 15/20

Because the answer is wanted as a decimal divide 15 by 20
15/20=.75

There is a .75 chance that she will not draw a black marble
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