Posted by Maria on Saturday, April 21, 2012 at 7:32pm.
A pair of dice is rolled, and a number that appears uppermost on each die is observed, Refer to this experiment and find the probability of the given event. (Enter your answer as a fraction)The sume of the numbers ia an add number.

math  Reiny, Saturday, April 21, 2012 at 10:00pm
Would it not make logical sense that half the sums would be even and half would be odd ?
e.g.
1,1  even
1,2 odd
1,3  even
...
6,1  odd
6,2  even
..
6,6,  even , count them if that doesn't make sense
prob(odd sum) = 18/36 = 1/2
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