Question

From a bag containing 5 pairs of socks, each pair a different color, a random sample of 4 single socks is drawn. Any complete pairs in the draw are discarded and replaced by the same number of socks drawn again from the bag. The process continues until the bag is empty or there are 4 socks of different colors held in the hand. The probability of latter alternative is

• A. greater than $\frac{1}{2}$
• B. greater than $\frac{1}{4}$
• C. greater than $\frac{3}{4}$
• D. greater than $\frac{9}{16}$

Answer 1

Answer: (A), (B)

Correct answer is (a) greater than $\frac{1}{2}$ Correct answer is (b) greater than $\frac{1}{4}$