pinkzebragal10 pinkzebragal10

02-05-2018
Mathematics

contestada

A brother and a sister are in the same math class. There are 8 boys and 10 girls in the class. One boy and one girl are randomly chosen. What is the probability that the brother and sister are chosen? Write your answer as a fraction in simplest form.

Respuesta :

konrad509 konrad509

16-07-2018

[tex] |\Omega|=8\cdot10=80\\ |A|=1\\\\ P(A)=\dfrac{1}{80} [/tex]

Answer Link

Otras preguntas

PLEASE HELP!!! ONLY GOOD ANSWERS, THESE ARE NOT MULTIPLE CHOICE. I will give brainliest answer. What is the relationship between the risk level of an investm

The perimeter of a triangle is 29 if two of the sides are 10 & 12 what is the length of the third side

Match each statement with the correct item. Place UN forces established a strategic position A. Soviet union B. Yalu River C. United States D. China E. Inc

Why does spring come so suddenly to Narnia? A. Aslan uses his breath to melt the ice and restores the seasons to Narnia. B. The White Witch's spell is breaking

15pts!!!!!!!!!1. Author. 2. Title of book. (italicized) 3. City of publication: 4. Publisher, date of publication. Which BEST describes this information?A) Th

Tarzan swings on a 30.0-m-long vine initially inclined at an angle of 37 degrees measured from vertical. What is his speed at the bottom of the swings if he sta

Identify the adjectives and the nouns they modify. Many people, especially those who grew up before the age of the personal computer, don’t understand how comp

Hakim invests $700 in a bank that pays 5% simple interest annually. After one year he uses the money in his account to buy a computer. The original cost of the

At a garden center, grass seed sells for $8 per pound. Kalil spent $10 on grass seed. What amount of seed did he buy?

A basic desire of humans is to be free. How could a government help people be free? A. by claiming territory from enemies B. by guiding people with mora