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Популярное Word Problems >

Find the probability that in five tosses of a fair die a 3 appears once,

Решение

F in d t h e p ro babi l i t y t ha t in f i v e t osses o f a f ai r d i e a 3 a pp e a rs o n ce,

Решение

\frac{1}{6}

+1

десятичными цифрами

0.16666 \dots

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{in 5 tosses of a fair die a 3 appears once}:

1

Probability

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

= \frac{1}{6}

Популярные примеры

The sum of 20 and twice a number is-18. Find the number.Deion puts 500.00 into an account to use for school expenses. The account earns 3% interest, compounded quarterly. How much will be in the account after 6 years?half of a number plus one third of the number is eight less than the number. what is the number the разность of twice a number and 2 is 26 Sandra is saving up money to buy a car. Sandra puts 9,937.00 into an account which earns 6% interest, compounded monthly. How much will she have in the account after 4 years?