Question

A hat contains 5 red balls and 7 green balls. If a ball is drawn, then find the probability of (i) a red ball (ii) a white ball (iii) either a green or a red ball

Answer 1

Total balls = 5+7=12

(i) Probability of getting a red ball= 5/12

(iii) Probability of getting either a green or red ball = 5+7/12 = 12/12 = 1