Question

A bag contains 5 red and 3 blue balls. If 3 balls are drawn at random without replacement the probability of getting exactly one red ball is

A. 45/196
B. 135/392
C. 15/56
D. 15/29

Answer 1

Probability of getting exactly one red ball

= P(R).P(B).P(B) + P(B).P(R).P(B) + P(B).P(B).P(R)