Two colors of socks blue, gray are present in a box kept in a dark room. What is the probability that the chosen pair of socks would be one a gray pair?

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Aswini

  • Feb 21st, 2006
 

1/6

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bhawna

  • Sep 6th, 2006
 

1-(None is gray) i.e 1-(Only blue) Answer can't be calculated becoz no sufficient data is given

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Amol

  • Apr 27th, 2007
 

There are 16 combinations because 2 pairs means 4 socks
Out of that 4 times one can get both gray
so probability is 4/16 i.e. 1/4

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ankit jain@jamia millia islamia

  • Jul 10th, 2007
 

initially 2 grey n 2 blue socks

P(grey)=2/4=1/2

now remains 3 socks 2 blue n 1 grey
now

P(grey)=1/3

1/2 * 1/3 = 1/6 ans

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