vi

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Phổ biến Word Problems >

If a fair die is rolled 4 times, what is the probability, rounded to the nearest thousandth, of getting at least 3 twos?

Lời Giải

I f a f ai r d i e i s ro ll e d 4 t im es, w ha t i s t h e p ro babi l i t y, ro u n d e d t o t h e n e a res t t h o u s an d t h, o f g e tt in g a t l e a s t 3 tw os ?

Lời Giải

\frac{7}{432}

+1

Số thập phân

0.01620 \dots

Các bước giải pháp

Probability of 2 when a die is rolled:

\frac{1}{6}

The probability of rounded to the nearest thousandth of getting at least 3 twos:

\frac{7}{432}

= \frac{7}{432}

Ví dụ phổ biến

The hiệu between two numbers is 39. Four times the smaller is equal to 6 more than the larger. What are the numbers?number is four times another number. Their sum is 60. What are the numbers?Two cars start out at two different tollgates. The cars are 644 km apart. The cars start driving towards each other. One car is driving at 69 km/h and the other car at 92 km/h.If both cars started their journey at the same time, how long will they take to pass each other?Upper A 7000 deposit in an account with an APR of 5%. What is in the account after 20 year?The bán kính of a circle is 17 m. Find its area in terms of of pipi pipi.