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Two fair dice are rolled and the possibilities are below. Find the probability that the sum is not 9. Leave probability as fraction and reduce.

Solution

Two fair dice are rolled and the possibilities are below. Find the probability that the sum is not 9. Leave probability as fraction and reduce.

Solution

\frac{8}{9}

Solution steps

Find the probability of the sum is 9;.:

\frac{1}{9}

Probability of the sum is not 9;.

= 1 -

Probability of the sum is 9;.

= 1 - \frac{1}{9}

1 - \frac{1}{9} = \frac{8}{9}

= \frac{8}{9}

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