Posted by Angela on Sunday, August 24, 2008 at 11:02pm.
Under 20 2130 3140
Male 12 12 17
Female 13 16 21
If two people are selected at random, what is the probability they are both female?

Statistic  drwls, Monday, August 25, 2008 at 12:03am
There are a total of 41 males and 50 females. The probability of picking two females a row (if each can be picked only once) is (50/91)x(49/90)
= 0.2991