Experimental probability and expected results
7th grade (Year 8 in England) · 16 questions · Common Core: 7.SP.C.6, 7.SP.C.7.B · England: KS3 Probability, GCSE Foundation Probability
Name
Date
Score/ 16
Question 1
The probability of an event is 1/3. The experiment is done 42 times. How many times would you expect the event to happen?
Answer
Question 2
Ben flips a drawing pin 80 times. It lands point up 19 times. What is the relative frequency of landing point up? Give a fraction in simplest form.
Answer(as a fraction)
Question 3
The probability of an event is 1/6. The experiment is done 102 times. How many times would you expect the event to happen?
Answer
Question 4
Ben flips a drawing pin 80 times. It lands point up 20 times. What is the relative frequency of landing point up? Give a fraction in simplest form.
Answer(as a fraction)
Question 5
The probability of an event is 1/4. The experiment is done 40 times. How many times would you expect the event to happen?
Answer
Question 6
Kofi flips a drawing pin 40 times. It lands point up 8 times. What is the relative frequency of landing point up? Give a fraction in simplest form.
Answer(as a fraction)
Question 7
The probability of an event is 1/3. The experiment is done 81 times. How many times would you expect the event to happen?
Answer
Question 8
Mei flips a drawing pin 50 times. It lands point up 47 times. What is the relative frequency of landing point up? Give a fraction in simplest form.
Answer(as a fraction)
Question 9
The probability of an event is 1/2. The experiment is done 10 times. How many times would you expect the event to happen?
Answer
Question 10
Mateo flips a drawing pin 60 times. It lands point up 55 times. What is the relative frequency of landing point up? Give a fraction in simplest form.
Answer(as a fraction)
Question 11
The probability of an event is 3/10. The experiment is done 200 times. How many times would you expect the event to happen?
Answer
Question 12
Ben flips a drawing pin 80 times. It lands point up 39 times. What is the relative frequency of landing point up? Give a fraction in simplest form.
Answer(as a fraction)
Question 13
The probability of an event is 3/10. The experiment is done 200 times. How many times would you expect the event to happen?
Answer
Question 14
Amara flips a drawing pin 40 times. It lands point up 10 times. What is the relative frequency of landing point up? Give a fraction in simplest form.
Answer(as a fraction)
Question 15
The probability of an event is 1/4. The experiment is done 20 times. How many times would you expect the event to happen?
Answer
Question 16
Leo flips a drawing pin 80 times. It lands point up 12 times. What is the relative frequency of landing point up? Give a fraction in simplest form.
Answer(as a fraction)
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