A drawer contains 4 pairs of blue socks, 5 pairs of white socks, and 3 pairs of gray socks. If a pair of socks is randomly chosen, what is the probability it is blue?

A.

30%

B.

0.25

C.

3

D.

0.33

Question

A drawer contains 4 pairs of blue socks, 5 pairs of white socks, and 3 pairs of gray socks. If a pair of socks is randomly chosen, what is the probability it is blue?



 



A.

30%




 



B.

0.25




 



C.

3




 



D.

0.33

anonymous · Answer

D. 0.33

anonymous · Answer

The answer is 1/3. 
Add up the number of socks : 4+5+3 =12 
You want to find the probability of the blue socks, so that's 4/12, which can be simplified by dividing by 4, giving you 1/3 (.33) 
So the Answer is D.