Question

A drawer contains 12 brown socks, 8 white socks, and 2 blue socks. One sock is selected at random.

What is the probability that the sock is blue, given that it is not brown?

A. 1/4
B. 1/5
C. 1/10
D. 1/11

Answer 1

how many socks are 'not brown' ?

Answer 2

10

Answer 3

ok so 'not brown' is your new sample space

Answer 4

and you are asked to pick a blue sock, there are 2 chances to pick blue

Answer 5

so 2/10

Answer 6

Thank you so much!