A class has 30 students: 18 girls, 12 boys. 12 girls and 8 boys play sports. Given that a student plays sports, what is the probability they are a boy?
- A
- B
- C
- Dcheck_circle
Explanation
Total athletes = . .
SAT Math· difficulty 4/5
A class has 30 students: 18 girls, 12 boys. 12 girls and 8 boys play sports. Given that a student plays sports, what is the probability they are a boy?
Explanation
Total athletes = . .
Want 10 more like this — adaptive to your weak spots?
Given P(A) = 0.4, P(B) = 0.5, P(A \text{ and } B) = 0.2. What is P(A | B)?…
chevron_rightA survey of 250 people records gender and exercise habits. 80 men exercise daily, 60 men do not. 70 women exercise daily, 40 women do not. What is the marginal …
chevron_rightUsing problem 101's data, what is the probability that an unfit person eats a healthy diet?…
chevron_right