A box contains 5 brown and 4 white socks. A man takes out two socks. The probability that they are of the same color is:
A. 5/18 B. 1/6 C. 5/108 D. 4/9

• (5c2 + 4c2)/(9c2)= 4/9
• 11 years agoHelpfull: Yes(22) No(0)
• 4/9
  
  The probability that they are of the same color = 4/9 * 3/8 + 5/9 *4/8 = 32/72= 4/9
• 12 years agoHelpfull: Yes(2) No(4)
• 5C2+4C2/9C2=16/36=4/9
• 8 years agoHelpfull: Yes(1) No(0)
• The probability of same color is : P(2 brown or 2 white) = P(2 brown) + P(2 white)
  = 5C2/9C2 + 4C2/9C2
  
• 8 years agoHelpfull: Yes(1) No(0)
• 2/5x2/4x2/9=4/9
• 8 years agoHelpfull: Yes(0) No(1)
• a man takes two sticks out so from 9c2
  same color 5c2+4c2/9c2=4/9
• 8 years agoHelpfull: Yes(0) No(0)