A bag contains 14 red marbles and 6 blue marbles. two marbles are randomly drawn without replacement. find the probability that

Question

blagie [28]

4 years ago

8

A bag contains 14 red marbles and 6 blue marbles. two marbles are randomly drawn without replacement. find the probability that

both marbles are red

Mathematics

1 answer:

Ksenya-84 [330] · Answer 1 · 2022-01-29T17:26:53+03:00

Ksenya-84 [330]4 years ago

7 0

We take 2 marbles from 20 marbles and the total ways is 20x19:2=190
But we need only 2 red marbles and the ways is 14x13:2=91
And finally we do the division 91:190=91/190 is the probability we need