Mismatched Joe is in a pitch dark room selecting socks from his drawer. He has only six socks in his drawer, a mixture of black and white. If he chooses two socks, the chances that he draws out a white pair is 2/3. What are the chances that he draws out a black pair?

• zero chances are there .
  There are 5 white and 1 black sock.
• 11 years agoHelpfull: Yes(3) No(0)
• 0 chances that he draws out a black pair.
  
  Since there is a 2/3 chance of drawing a white pair,
  Then there must be 5 white socks and only 1 black sock.
  
  The chances of drawing two whites would thus be: 5/6 x 4/5 = 2/3 .
  With only 1 black sock, there is no chance of drawing a black pair.
  
  So, Zero chance of drawing a black pair.
• 11 years agoHelpfull: Yes(1) No(2)
• zero
  check at
  
  http://answers.yahoo.com/question/index?qid=20110619015328AAPDDQP
  
  www.braingle.com/brainteasers/14164/matching-socks.html
• 11 years agoHelpfull: Yes(1) No(2)
• 0 chances to draw a black pair as only 1 black sock is there
• 11 years agoHelpfull: Yes(1) No(0)