Posted by Melanie on Monday, May 21, 2012 at 4:19pm.
A drawer contains 4 red socks, 3 white socks, and 3 blue socks. without looking, you select a sock at random, replace it and seect a sond sock at random. what is the probablity that the first sock is blue and the second sock is red?

math  MathMate, Monday, May 21, 2012 at 8:35pm
With replacement:
P(B,R)=P(B)*P(R)=(3/10)*(4/10)=12/100=3/25

math  uyguu, Wednesday, May 23, 2012 at 3:25pm
3/10
4/9

math  MathMate, Wednesday, May 23, 2012 at 3:59pm
"...replace it and seect a second sock at random..."
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