Sunday 15 April 2012

Probability - Dice

A pair of dice is rolled. What is the probability of getting a sum of 2?     







None of the above.
 
Ans: 
 
{2 Dice}
  1. 1+1 = 2 
  2. 1+1=2
  3. 1+2=3
  4. 2+1=3
  5. 2+2=4
  6. 2+2=4
  7. 2+3=5
  8. 3+2=5
  9. 3+3=6
  10. 3+3=6
  11. 3+4=7
  12. 4+3=7
  13. 4+4=8
  14. 4+4=8
  15. 4+5=9
  16. 5+4=9
  17. 5+5=10
  18. 5+5=10
  19. 6+5=11
  20. 5+6=11
  21. 6+6=12
  22. 6+6=12 
     
    2/22 = 1/11

    Ans: None of the above.

    Think this is incorrect???

    Please leave a comment.
    Thanks.

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