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Beliebt Word Problems >

Two fair dice are thrown together. What is the probability of rolling a total of 7?

Lösung

Tw o f ai r d i ce a re t h ro w n t o g e t h er . Wha t i s t h e p ro babi l i t y o f ro ll in g a t o t a l o f 7 ?

Lösung

\frac{1}{6}

+1

Dezimale

0.16666 \dots

Schritte zur Lösung

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 total of 7:

6

Probability

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

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

Streiche die gemeinsamen Faktoren:

6

= \frac{1}{6}

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