Question

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?

Answer 1

With replacement:
P(B,R)=P(B)*P(R)=(3/10)*(4/10)=12/100=3/25

Answer 2

3/10
4/9

Answer 3

"...<b>replace</b> it and seect a second sock at random..."

Answer 4

You shouldn't be helping people