If you have 15 red socks (individual, not pairs), 24 green socks, 17 blue socks, and 100 black socks, what is the probability you will reach in the drawer and randomly select a pair of green socks? (Assume sampling without replacement.)
A) 0.3022
B) 0.3077
C) 0.0228
D) 0.0227

Question

Quizplus · Accepted Answer

The probability of selecting the first green sock is 24/156. After selecting the first green sock, there are 23 green socks left out of 155 total socks. So, the probability of selecting a second green sock is 23/155. The probability of both events occurring is (24/156) * (23/155) = 0.0228.

If You Have 15 Red Socks (Individual, Not Pairs), 24