SOLUTION: There is a drawer with 10 red socks,10 white socks and 2 blue socks. You draw out one sock, return it and draw out a second sock. What is the probability that the first sock is blu

Algebra ->  Probability-and-statistics -> SOLUTION: There is a drawer with 10 red socks,10 white socks and 2 blue socks. You draw out one sock, return it and draw out a second sock. What is the probability that the first sock is blu      Log On


   

Question 835368: There is a drawer with 10 red socks,10 white socks and 2 blue socks. You draw out one sock, return it and draw out a second sock. What is the probability that the first sock is blue and the second is white
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
P(blue)=2%2F%2810%2B10%2B2%29=2%2F22=1%2F11
P(white)=10%2F22=5%2F11
P(blue then white)=%281%2F11%29%285%2F11%29=5%2F121