If a 6-sided fair die is rolled once, what is the probability of getting a number less than 4? Leave as a decimal and round to the nearest hundredth.

Решение

I f a 6 - s i d e d f ai r d i e i s ro ll e d o n ce, w ha t i s t h e p ro babi l i t y o f g e tt in g a n u mb er l ess t han 4 ? L e a v e a s a d ec ima l an d ro u n d t o t h e n e a res t h u n d re d t h .

\frac{1}{2}

десятичными цифрами

0.5

Шаги решения

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{getting a number less than 4 Leave as a decimal}:

3

Probability

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

= \frac{3}{6}

Отмените общий множитель:

3

= \frac{1}{2}