Relative frequency quiz part 2

Answer 1

1. If a fair coin is flipped 100 times and it lands on heads 47 times, what is the relative frequency of heads?

Answer: The relative frequency of heads is 0.47 or 47%.

2. In a survey of 500 people, 300 preferred chocolate ice cream and 200 preferred vanilla ice cream. What is the relative frequency of people who preferred chocolate ice cream?

Answer: The relative frequency of people who preferred chocolate ice cream is 0.6 or 60%.

3. A car dealership sold 120 cars last month. Of those sales, 70 were sedans and 50 were SUVs. What is the relative frequency of sedan sales?

Answer: The relative frequency of sedan sales is 0.58 or 58%.

4. In a group of 200 students, 80 had blue eyes, 60 had brown eyes, and 60 had green eyes. What is the relative frequency of students with brown eyes?

Answer: The relative frequency of students with brown eyes is 0.3 or 30%.

5. In a study of 1000 people, 400 reported exercising regularly and 600 did not. What is the relative frequency of people who did not exercise regularly?

Answer: The relative frequency of people who did not exercise regularly is 0.6 or 60%.