A bag contains five white marbles and five black marbles. What is the probability of drawing a WHITE marble, NOT replacing it, and then drawing another WHITE marble?

Question

Mathematics

Josephine Meza

15 February, 10:10

A bag contains five white marbles and five black marbles. What is the probability of drawing a WHITE marble, NOT replacing it, and then drawing another WHITE marble?

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Answers (2)

Know the Answer?

Ean · Answer 1

The probability is 1:2

Riya Conner · Answer 2

4/18

Step-by-step explanation:

You have 5 WHITE marbles and 5 Black marbles.

The probability of drawing a WHITE marble is 5/10 or 1/2

And the probability of drawing the second (marble another WHITE marble) is 4/9

So 1/2 x 4/9 = 4/18 or 5/10 x 4/9 = 20/90 / 5 = 4/18

Therefore the probability of drawing a WHITE marble not replacing it then drawing another WHITE marble is 4/18