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A die is rolled twice. Find the probability of getting the same number on both rolls

Solución

A die is rolled twice. Find the probability of getting the same number on both rolls

Solución

\frac{1}{6}

Pasos de solución

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 getting the same number on both rolls:

6

Probability

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

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

Eliminar los terminos comunes:

6

= \frac{1}{6}

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