Question

A bag contains 3 red, 3 white and 3 green balls. One ball is taken out of the bag at random. What is the probability that the ball drawn is: i. red. ii. not red. iii. either red or white. Select the correct answer from above options

Answer 1

Let the three red balls be R1, R2, R3, three white balls be W1, W2, W3 and three green balls be G1, G2, G3.

∴ Sample space,

i. Let A be the event that the ball drawn is red.

ii. Let B be the event that the ball drawn is not red.

iii. Let C be the event that the ball drawn is red or white.