SOLUTION: A pair of dice is rolled. What are the odds against rolling a sum of 5? Thank you for your help!

Algebra ->  Probability-and-statistics -> SOLUTION: A pair of dice is rolled. What are the odds against rolling a sum of 5? Thank you for your help!      Log On


   



Question 433974: A pair of dice is rolled. What are the odds against rolling a sum of 5?
Thank you for your help!

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
A pair of dice is rolled. What are the odds against rolling a sum of 5?
------------------------
To get a sum of 5 roll:1,4;2,3;3,2; or 4,1
So there are 4 of 36 ways to succeed.
Then there are 32 way to fail.
-----
odds against rolling sum of 5 = (32/36)/(4/36) = 8/1 = 8:1
---------------------
Cheers,
Stan H.