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The faces of an octahedral die are labeled with digits 1 through 8. What is the probability, expressed as a common fraction, of rolling a sum of 15 with a pair of such octahedral dice?

 Mar 8, 2021
 #1
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There are 8x 8 = 64 possible rolls

ways to sum to 15:

78

87      two ways         2/64 = 1/32

 Mar 8, 2021
 #2
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Thats right. thanks!

Guest Mar 8, 2021

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