Posted by **Angie** on Saturday, November 24, 2012 at 3:42pm.

two dice

a. find the odds in favor of the following events:

1 getting a sum of 7

2 getting a sum greater than 3

3 getting a sum that is an even number

b. find the odds against each of the events in part a

- Math -
**PsyDAG**, Sunday, November 25, 2012 at 2:04pm
There are 36 possibilities with two dice. Either-or probabilities are found by adding the individual probabilities.

1. A sum of seven can be gotten with 2,5; 5,2; 3,4; 4,3; 6,1; or 1,6. That is 6/36 = 1/6

2. Sum greater than three = 1 - sum of 3 or less. Go through the same process.

3. Go through a similar process.

b. Subtract previous answers from 1, except for 2.

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