Question 324045
A drawer is filled with blue, gray, and white socks. The probability that a sock selected at random from the drawer is gray is 1/2 and the probability that the sock is white is 1/6 If all of the blue socks are removed from the drawer, what is the probability of selecting a white sock at random?
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Original probability of white is 1-[1/2 + 1/6] = 1/3
Note: If there were originally 6 socks in the drawer, there would be 
1 white, 3 gray, and 2 blue. 
If the 2 blue were removed there would be 4 socks remaining.
Since there would still be 1 white, the probability of white would be 1/4.
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Cheers,
Stan H.
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A 1/2 
B 1/6 
C 1/4 
D 1/3 
E 1/2