A bag contains 3 white, 5 black, and 2 red balls, all of the same shape and size. A ball is drawn from the bag without looking into it, find the probability that the ball is drawn is not a black ball.
Open in App
Verified by Toppr
In a bag 3 balls are white 2 balls are red 5 balls are black Total number of balls =3+2+5=10 Number of possible outcome =10 Number of favourable outcome =3+2=5 We know that P(E)=NumberofallpossibleoutcomeNumberoffavaourableoutcome=105=21