Question

Your drawer contains seven red socks and five green socks its too dark to see which are which what is the probability that the first two you pick are both green socks?

Answer 1

`5/33`

Explanation:

There are 12 socks altogether

P(green,green) = P(green) x P(green)

=`5/12 xx 4/11`

The number of socks and the number of green socks both decrease by 1.

=`5/cancel12^3 xx cancel4/11 = 5/33`