Question

a drawer has 4 red socks and 4 blue socks if 3 are drawn what is the probability of a match

Answer 1

let the blue socks be b1 b2 and b3 and red socks be r1 r2 and r3
so probability...
r1 r2 r3
r2 r3 r4
r3 r4 r1
b1 b2 b3
b2 b3 b4
b3 b4 b1
r1 b1 b2
r1 b2 b3
r1 b3 b4
r1 b4 b1
r2 b1 b2
r2..... and so on...