Posted by **Anonymous** on Saturday, February 8, 2014 at 4:06pm.

A pair of dice is rolled, one black and one white. Find the probability of each of the following events.

1. The total is between 3 and 7.

My answer: 1/3

2. The total is 13.

My answer: 0

3. The numbers are 2 and 5.

?????????

4. The black die has 2 and the white die has 5.

??????

5. The black die has 2 or the white die has 5.

??????

- Probability -
**Steve**, Saturday, February 8, 2014 at 5:06pm
#1: I get 20/36 = 5/9

B:1 & W:2,3,4,5,6

B:2 & W:1,2,3,4,5

B:3 & W:1,2,3,4

B:4 & W:1,2,3

B:5 & W:1,2

B:6 & W:1

#2 ok

#3: 2/36 = 1/18

B:2 & W:5

B:5 & W:2

#4: 1/6 * 1/6 = 1/36

#5: 1/6 + 1/6 = 1/3

You can list all 12 events if you want

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