SOLUTION: a pair of 24-sided dice are rolled (the sides are numbered 1-24). What is the probability that the sum is 17 or exactly one of the dice is a 5 (or both)?

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Question 867478: a pair of 24-sided dice are rolled (the sides are numbered 1-24).

What is the probability that the sum is 17 or exactly one of the dice is a 5 (or both)?

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
There are 24%2A24 or 576 possible outcomes.
There are 16 sums of 17. (1,16) (2,15), ...., (15,2), (16,1)
There are 24%2B23 or 47 one for each (5,X) pair and one for each (Y,5) pair (not including Y=5).
So,
P=1%2F576%2B47%2F576=48%2F576=1%2F12