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Popular Word Problems >

A pair of dice is rolled. Find the probability of rolling a sum between 6 and 10 exclusive

Solution

A p ai r o f d i ce i s ro ll e d . F in d t h e p ro babi l i t y o f ro ll in g a s u m b e tw ee n 6 an d 10 e x c l u s i v e

Solution

\frac{5}{12}

+1

Decimal

0.41666 \dots

Solution steps

The possible outcomes when two dice are rolled are

6 \cdot 6

Therefore, the number of possible outcomes:

6^{2}

Find the number of favorable outcomes of rolling a sum between 6 and 10 exclusive:

15

Probability

= \frac{number of favorable outcomes}{total number of outcomes}

= \frac{15}{6 ^{2}}

\frac{15}{6 ^{2}} = \frac{5}{12}

= \frac{5}{12}

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