Question

a bag contain 3 red, 5 black and 7 white balls.A ball is drawn from the bag at random. Find the probability that a ball drawn is not white ball
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Answer 1

Step-by-step explanation:

no of balls in bag = 5+3+7=15

the probability that a ball drawn at random is not a white ball be E1

n(E1)= 5+3=8

P(E1)= n(E1)/n(s)

8/15

Answer 2

Step-by-step explanation:

Here is your answer Hope This Answer Helps You

Total no. of balls =15

P(not black) =(3+7)/15

=10/15

=2/3

so answer is 2/3

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