Finite Math
posted by Amanda .
Eight white socks and four red socks are in a drawer. If two socks are selected at random, what is the probability that both socks are the same color?

Finite Math 
Reiny
could be either RR or WW
prob of RR = 4/12(3/11) = 12/132
prob of WW = 8/12(7/11) = 56/132
prob of 2 "like" socks = 68/132 = 17/33
Respond to this Question
Similar Questions

probability
7 white socks anf four black socks are in a bag. if two socks are drawn at random, what is the probability that both socks are the same color? 
math
a sock drawer contains 10 white socks, 6 black socks, and 8 blue socks. if 2 socks are chosen at random, what is the probability of getting a pair of white socks? 
math
Four blue socks, four white socks, and four gray socks are mixed in a drawer. You pull out two socks, one at a time, without looking. a. Draw a tree diagram along with the possible outcomes and the probabilities of each branch. b. … 
math
a draw holds 5 navy socks, 7 white socks and 6 black socks. if two socks are selected at random without looking what is the probability that they do no match? 
mathprobability
Eleven white socks and six red socks are in a drawer. If two socks are selected at random, what is the probability that both socks are the same color? 
math
A drawer contains exactly 5 red socks, 8 blue socks, 10 while socks, 12 green socks , and 7 yellow socks. Find the least number of socks to be chosen which will guarantee that there will be at least seven socks of the same color. 
geometry
Missy and Mussy are very messy sisters. Their dresser drawer consists of 43 white socks, 2 black socks, 23 blue socks and 8 red socks. What is the minimum number of socks they must remove from the drawer to be certain they have four … 
geometry
Missy and Mussy are very messy sisters. Their dresser drawer consists of 43 white socks, 2 black socks, 23 blue socks and 8 red socks. What is the minimum number of socks they must remove from the drawer to be certain they have four … 
MATH
missy and missy are messy sisters. their dresser drawer consists of 43 white socks, 2 black socks, 23 blue socks and 8 red socks. What is the minimum number of socks they must remove from the drawer to be certain they have four socks … 
statistics
there are 7 blue socks,5 red socks,3 green socks and 4 yellow socks in a drawer. 1.find the sample space 2.how many socks should I take out without looking to get a pair of socks 3.what is the probability that the first socks that …