Question

A drawer contains 2 red 3 white socks and 3 blue socks without looking you draw out sock return it and draw out a second sock what is the probability that the frist sock is blue and the second sock is red

Answer 1

3/8 That the first sock is blue, 2/8 that the second sock is red

Explanation:

The Drawer contains

2 Red Socks

3 White Socks

3 Blue Socks

2 + 3 + 3 = 8

There are a total of 8 socks in the drawer

The Probability of Picking a :

Red Sock is 2/8

Blue Sock is 3/8

White Sock is 3/8

Therefore the Probability that the first sock is blue is 3/8

However the question states that the sock is returned

Therefore the Probability that the second sock will be Red is 2/8

Answer 2

2/8 that will be the probability