In: Statistics and Probability
2 life policies and 1 automobile policy can be selected in 6C2 * 7C1
= 15*7 = 105 ways
Totally there are 6 + 7 + 2 = 15
3 policies can be selected from 15 policies in 15C3 ways = 455 ways
Probability = 105/455 = 21/91