# math

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Two dice are rolled. Find the odds that the score on the dice is either 10 or at most 5.

• math -

Since each die has 6 numbers, there are 36 possible combinations with two dice.

10 can only be obtained by 5 & 5, 6 & 4 or 4 & 6 = 3/36

"At most 5" = 5 or less, which can be obtained by 1 & 1, 2 & 2, 3 & 2, 2 & 3, 1 & 2, 2 & 1, 1 & 3, 3 & 1, 1 & 4 or 4 & 1 = 10/36

The probability of "either-or" events is obtained by adding the probability of the separate events.

• math 118 -

the Odds in favor of getting 7

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