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פּוֹפּוּלָרִי Word Problems >

A pair of standard dice are rolled. Find the probability of rolling a sum of 6 with these dice.

פתרון

A p ai r o f s t an d a r d d i ce a re 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 o f 6 w i t h t h ese d i ce .

פתרון

\frac{5}{36}

+1

עשרוני

0.13888 \dots

צעדי פתרון

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 of 6 with these dice:

5

Probability

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

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

6^{2} = 36

= \frac{5}{36}

דוגמאות פופולריות

Find three consecutive even numbers whose sum is 624.Find the accumulated value of an investment of 1020 at 6% compounded annually for 19 years.160 is 20% of what number 18, 000 is 90% of what number Calculate the reciprocal of 23.:Give your answer correct to 3 decimal places.