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Popolare Word Problems >

A standard die is rolled. Find the probability that the number rolled is even. Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.

Soluzione

A s t an d a r d d i e i s ro ll e d . F in d t h e p ro babi l i t y t ha t t h e n u mb er ro ll e d i s e v e n . E x p ress yo u r an s w er a s a f r a c t i o n in l o w es t t er m s or a d ec ima l ro u n d e d t o t h e n e a res t mi ll i o n t h .

Soluzione

\frac{1}{2}

+1

Decimale

0.5

Fasi della soluzione

The possible outcomes when \mathrm{a die is rolled} is

{1, 2, 3, 4, 5, 6} .

Therefore, the number of possible outcomes:

6

The number of favorable outcomes of \mathrm{the number rolled is even}:

3

Probability

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

= \frac{3}{6}

Cancella il fattore comune:

3

= \frac{1}{2}

Esempi popolari

the sum of 3 consecutive integers is 3009. what is the smallest of these integers 9 decreased by twice a number The sum of three numbers is 66 . The second number is 3 times the third. The first number is 9 less than the third. What are the numbers?the number increase by 12 is 18 Eli opened a savings account and deposited 500.00 as principal. The account earns 10% interest, compounded quarterly. How much interest will he earn after 5 years?Round your answer to the nearest cent.