Question

A bag contains 7 black , 5 red and 3 white balls. A ball is drawn from the bag at random . find the probability that the ball drawn is : (i) Red (ii) Black or white (iii) not black ​

Answer 1

Red balls =7÷15=2.1428571

Answer 2

P(E)= NO OF EVENT/TOTAL NO OF PROBABLITY

1) 5/15 = 1/3

2)7/15 or 3/15 = 1/5

3) 8/15

BE BRAINLY