Common Core 7.SP.C.7.B worksheet

Question 1

A die is rolled 180 times and lands on 4 exactly 33 times. How many 4s would you expect from a fair die? How many more or fewer did you get? Give (actual − expected).

Answer 

Question 2

The probability of an event is 3/10. The experiment is done 220 times. How many times would you expect the event to happen?

Answer 

Question 3

Grace flips a drawing pin 60 times. It lands point up 51 times. What is the relative frequency of landing point up? Give a fraction in simplest form.

Answer (as a fraction)

Question 4

Mei flips a coin 20 times and Luis flips it 1000 times. Whose proportion of heads is likely to be closer to 0.5?

• A. Luis
• B. Both will be exactly 0.5
• C. Mei

Question 5

A drawing pin is dropped 60 times. It lands point up 48 times. What is the experimental probability of landing point up? Give a fraction in simplest form.

Answer (as a fraction)

Question 6

A die is rolled 120 times and lands on 4 exactly 23 times. How many 4s would you expect from a fair die? How many more or fewer did you get? Give (actual − expected).

Answer 

Question 7

The probability of an event is 1/6. The experiment is done 168 times. How many times would you expect the event to happen?

Answer 

Question 8

Elena flips a drawing pin 20 times. It lands point up 16 times. What is the relative frequency of landing point up? Give a fraction in simplest form.

Answer (as a fraction)

Question 9

Tariq flips a coin 20 times and Priya flips it 2000 times. Whose proportion of heads is likely to be closer to 0.5?

• A. Priya
• B. Both will be exactly 0.5
• C. Tariq

Question 10

A drawing pin is dropped 40 times. It lands point up 2 times. What is the experimental probability of landing point up? Give a fraction in simplest form.

Answer (as a fraction)

Question 11

A die is rolled 180 times and lands on 4 exactly 28 times. How many 4s would you expect from a fair die? How many more or fewer did you get? Give (actual − expected).

Answer 

Question 12

The probability of an event is 3/10. The experiment is done 70 times. How many times would you expect the event to happen?

Answer 

Question 13

Fatima flips a drawing pin 40 times. It lands point up 22 times. What is the relative frequency of landing point up? Give a fraction in simplest form.

Answer (as a fraction)

Question 14

Elena flips a coin 10 times and Hana flips it 500 times. Whose proportion of heads is likely to be closer to 0.5?

• A. Both will be exactly 0.5
• B. Elena
• C. Hana

Question 15

A drawing pin is dropped 60 times. It lands point up 55 times. What is the experimental probability of landing point up? Give a fraction in simplest form.

Answer (as a fraction)

Question 16

A die is rolled 180 times and lands on 4 exactly 37 times. How many 4s would you expect from a fair die? How many more or fewer did you get? Give (actual − expected).

Answer