Question

09
A box contains 7 yellow, 4 white and 9 red balls. A ball is taken out at random, find the
probability that the ball taken out is
(0)
P(red ball) (ii)
P(yellow ball)​

Answer 1

Total balls = 7+4+9= 20 balls

Red balls = 9

P(Red balls) = 9/20

P(yellow balls)= 7/20