Question

A bag contains 5 white, 4 red and 3 black balls. A ball is drawn at random from the bag. Find the probability that it is not black.

Answer 1

Hey mate..... Here is the correct answer

the probability that the ball is not black is 9 by 12

I hope that it was helpful to you ......

Answer 2

Answer:

Step-by-step explanation:

S = { 5 white , 3 black and 4 red balls }

n(S) = 12

Let 'A' be the event thet the ball drawn at random is not red

n(A) = 9

p(A) = n(A)/n(S)

p(A) = 9/12

p(A) = 3/4

Therefore, the probability that the ball drawn at random is not black is 3/4