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Phổ biến >

Two fair dice are rolled. What is the probability that both show up the same number of point?

Lời Giải

Two fair dice are rolled. What is the probability that both show up the same number of point?

Lời Giải

\frac{1}{6}

Các bước giải pháp

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 both show up the same number of point:

6

Probability

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

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

Triệt tiêu thừa số chung:

6

= \frac{1}{6}

Ví dụ phổ biến

The product of 2 numbers is 4.2. What are the 2 numbers if their sum is 4.4.6 times of a number and 1 is the quotient of 24 and 4 half a number Gabrielle's age is two times Mikhail's age. The sum of their ages is 72 . What is Mikhail's age?:years old Ryan placed 1,000 in a savings account which compounds interest annually at a rate of 2.5% . How much will he have in the account after 2 years?Round your answer to the nearest dollar.Do NOT round until you have calculated the final answer.