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شائع Word Problems >

a pair of standard dice are rolled. find the probability of rolling sum of 11 with these dice.

الحلّ

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 s u m o f 11 w i t h t h ese d i ce .

الحلّ

\frac{1}{18}

+1

عشري

0.05555 \dots

خطوات الحلّ

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 sum of 11 with these dice:

2

Probability

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

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

\frac{2}{6 ^{2}} = \frac{1}{18}

= \frac{1}{18}

أمثلة شائعة

translate the equation: four more than the product of a number and 5 is 3 one number is 10 less than another number. what is the smaller of the two numbers if their sum is 52 if the area of a circle is 201.06 cm^2 find diameter Imagine you have P1000 to invest in a savings account with an annual interest rate of 5%, compounded continuously. After 5 years, how much money will you have?the difference between 6 and 2 times a number is 16