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Trava [24]
3 years ago
5

A bag contains 8 black marbles and 20 yellow marbles. You reach into the bag and pull out a black marble. Then you reach into th

e bag and pull out another marble. What is the probability that the second marble is yellow?
Mathematics
1 answer:
sveticcg [70]3 years ago
6 0
You have a bag containing 8 + 20 = 28 marbles.

After you pull a black marble you have 28 - 1 = 27 remaining marbles.

There are 20 yellow marbles in the bag.

The probability of pulling a yellow marble is now

\frac{20}{27} which \: is \: approximately \: equal \: to \\ 74.07\%
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