A-bag-contains-6-white-4-red-amp-10-black-balls-If-two-balls-are-drawn-at-random-what-is-the-probability-of-both-being-black-

Question Number 106405 by john santu last updated on 05/Aug/20

A bag contains 6 white, 4 red & 10

black balls . If two balls are drawn

at random, what is the

probability of both being black ?

Answered by bemath last updated on 05/Aug/20

p (A) = \frac{C_{2}^{10}}{C_{2}^{20}} = \frac{45}{190} = \frac{9}{38}

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