zs

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

受欢迎的 Word Problems >

Two dice are tossed together. The sum of the outcomes is noted. What is the probability that the sum is less than 7

解答

Tw o d i ce a re t osse d t o g e t h er . T h e s u m o f t h e o u t co m es i s n o t e d . Wha t i s t h e p ro babi l i t y t ha t t h e s u m i s l ess t han 7

解答

\frac{5}{12}

+1

十进制

0.41666 \dots

求解步骤

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 the sum is less than 7:

15

Probability

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

= \frac{15}{6 ^{2}}

\frac{15}{6 ^{2}} = \frac{5}{12}

= \frac{5}{12}

流行的例子

How much must be deposited today into an account with annual compounding and an APR of 5% in 排序 to have 50,000 in 8 years for a down payment on a house? Assume no additional deposits are made.you deposit 5000 into a savings account. You leave it in there for a certain amount of time. There is a 2% interest rate and after a certain number of years, you withdraw the amount and have 5800. How many years did you leave the deposit in the savings account?An amount of 35,000 is borrowed for 7 years at 6.75% interest, compounded annually. If the loan is paid in full at the end of that period, how much must be paid back?(Rationalize the denominator of) 1/(2+sqrt(3))The sum of two numbers is 50 . The second number is five times the first. Find the numbers. Two numbers are in the ratio 1:11 and their sum is 15 . Find the numbers.