# math-probability

posted by Emma

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?

1. Reiny

either RR or WW
prob of RR = (6/17)(5/16) = 15/136
prob of WW = (11/17)(10/16) = 55/136

prob of same colour = 70/136 = 35/68

## Similar Questions

1. ### 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?
2. ### 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?
3. ### 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. …
4. ### 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?
5. ### Finite Math

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?
6. ### 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.
7. ### 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 …
8. ### 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 …
9. ### 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 …
10. ### 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 …

More Similar Questions