A math class has 5 girls and 5 boys in the seventh grade and 5 girls and 7 boys in the eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. What is the probability that the students she selects are both girls? Write your answer as a fraction in simplest form.

Question

28-01-2020
Mathematics

contestada

A math class has 5 girls and 5 boys in the seventh grade and 5 girls and 7 boys in the eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. What is the probability that the students she selects are both girls? Write your answer as a fraction in simplest form.

Respuesta :

Otras preguntas

Which of these is a risk of speeding? A- Mechanical Failure B- Tire Damage C- Greater likelihood of being distracted D- Greater damage on impact

The graph shows the growth rate of a certain bacteria in a lab, where the number of bacteria depends on the number of hours since the start of the experiment.Ba

How are the processes of asexual reproduction and sexual reproduction different? Select three options O In both processes, all offspring have identical DNA. 0 T

In which step would you analyze the text more, and note unfirmillar words

Which of the following is correct for determining the length of x to the nearest tenth of a metre? cos 42 = x/6 tan 48 = x/5 sin 48 = x/5 tan 42 =x/6

The average production cost for major movies is 57 million dollars and the standard deviation is 22 million dollars. Assume the production cost distribution is

In triangle RST, m∠R > m∠S + m∠T. Which must be true of triangle RST? Check all that apply. m∠R > 90° m∠S + m∠T < 90° m∠S = m∠T m∠R > m∠T m∠R >

Part B Assume the statement is true for n=k. Prove that it must be true for n=k+1, therefore proving it true for all natural numbers, n. Hint: Since the total n

What is the name of this compound

A car of mass 750 kg accelerates away from traffic lights. At the end of the first 100 m it has reached a speed of 12 m/s. During this time, its engine provides

ACCESS MORE

frika frika · Answer 1 · 2020-02-03T14:31:43+01:00

Answer:

[tex]\dfrac{5}{24}[/tex]

Step-by-step explanation:

A math class has 5 girls and 5 boys in the seventh grade, 10 students in total. The probability of choosing one girl from this class is

[tex]\dfrac{5}{10}=\dfrac{1}{2}[/tex]

A math class has 5 girls and 7 boys in the eighth grade, 12 students in total. The probability of choosing one girl from this class is

[tex]\dfrac{5}{12}[/tex]

The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. The probability that the students she selects are both girls is

[tex]\dfrac{1}{2}\cdot \dfrac{5}{12}=\dfrac{5}{24}[/tex]