SOLUTION: There are y red socks and y purple socks in a drawer. You will be drawing out socks in pairs. Find the probabilities that a) No pair is of a matching color. b) Every pair is of

Algebra ->  Probability-and-statistics -> SOLUTION: There are y red socks and y purple socks in a drawer. You will be drawing out socks in pairs. Find the probabilities that a) No pair is of a matching color. b) Every pair is of       Log On


   



Question 945363: There are y red socks and y purple socks in a drawer.
You will be drawing out socks in pairs. Find the probabilities that
a) No pair is of a matching color.
b) Every pair is of a matching color.

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Let's first assume that y%3E=2.
Look at the possible outcome pairs.
RP RR
PP PR
So then,
a)P=2%2F4=1%2F2
b) P=2%2F4=1%2F2
.
.
.
If y=1, then the only outcome is
PR
So then,
a) P=1
b) P=0