Posted by **Cherie** on Wednesday, May 2, 2012 at 11:42am.

When two die are tossed,throwing a sum of 7 is three times more likely than throwing a sum of 11.if the probability of throwing a sum of 11 is 1:18,what is the probability of throwing a sum of 7?

- math -
**Reiny**, Wednesday, May 2, 2012 at 12:12pm
why not just find the prob of getting a sum of 7 ?

there are 6 ways to get a 7 (list them if you have to)

**prob of getting a sum of 7 = 6/36 = 1/6**

btw. prob of 11 :

2 ways, either 5,6 or 6,5

prob of 11 = 2/36 = 1/18 , as they stated

and (3)(1/18) = 1/6

(they just made the question complicated on purpose)

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