SOLUTION: There are 5 pairs of socks in a drawer. 2 Blue pairs, 2 Black pairs and one gray pair. The socks are not folded together. If you randomly pick two socks, what is the probability th

Question 248725: There are 5 pairs of socks in a drawer. 2 Blue pairs, 2 Black pairs and one gray pair. The socks are not folded together. If you randomly pick two socks, what is the probability that you will pick a matched pair? that you will pick a gray pair?
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
nCr=n!/((n-r)!r!)
There are 10 socks.
.
Pick a gray pair:
2C2 / 10C2 = 1/45
.
4C2 / 10C2 = 6/45 blue pair or black pair
.
Any pair: 6/45 + 6/45 + 1/45
=13/45
.
Ed
RELATED QUESTIONS
8.You randomly pick a pair of socks from the drawer, which contains 2 pairs of BLUE... (answered by jorel555)

1. A drawer contains 10 pairs of loose, unpaired socks. Three pairs are black, 4 are... (answered by sudhanshu_kmr)

Four blue socks four white socks and four gray socks are mixed in a drawer you pull out 2 (answered by jim_thompson5910)

Melinda�s lights went out. She has 3 pairs of red socks in her drawer, 2 pairs of black... (answered by checkley71)

hellppppp!!!!! mel's light went out. she has 3 pairs of red socks in her drawer, 2 pairs (answered by edjones)

Last one...probabilty is not my friend...LOL Four white socks, 6 blue and 8 gray socks (answered by CharlesG2)

There are 12 different colored PAIRS (24 socks total, 12 different colors) of socks in a... (answered by Edwin McCravy)

A man has 11 pairs of socks in his sock drawer: 3 brown, 6 black, and 2 blue. a): if the (answered by jim_thompson5910)

There are y red socks and y purple socks in a drawer. You will be drawing out socks in... (answered by Fombitz)