Probability of simple events
7th grade (Year 8 in England) · 16 questions · Common Core: 7.SP.C.5, 7.SP.C.7 · England: KS3 Probability, GCSE Foundation Probability
Name
Date
Score/ 16
Question 1
A bag has 7 red, 7 blue and 8 green marbles. One is picked at random. What is the probability it is red? Give a fraction in simplest form.
Answer(as a fraction)
Question 2
The probability a spinner lands on blue is 0.6. What is the probability it does NOT land on blue? Give a decimal.
Answer
Question 3
What is the probability of rolling a prime number on a fair six-sided dice? Give a fraction in simplest form.
Answer(as a fraction)
Question 4
A bag has 4 red, 1 blue and 1 green marbles. One is picked at random. What is the probability it is red? Give a fraction in simplest form.
Answer(as a fraction)
Question 5
The probability a spinner lands on blue is 0.5. What is the probability it does NOT land on blue? Give a decimal.
Answer
Question 6
What is the probability of rolling an even number on a fair six-sided dice? Give a fraction in simplest form.
Answer(as a fraction)
Question 7
A bag has 5 red, 1 blue and 5 green marbles. One is picked at random. What is the probability it is red? Give a fraction in simplest form.
Answer(as a fraction)
Question 8
The probability that it rains tomorrow is 5%. What is the probability it does NOT rain, as a percentage?
Answer
Question 9
What is the probability of rolling an even number on a fair six-sided dice? Give a fraction in simplest form.
Answer(as a fraction)
Question 10
A bag has 4 red, 6 blue and 2 green marbles. One is picked at random. What is the probability it is green? Give a fraction in simplest form.
Answer(as a fraction)
Question 11
The probability a spinner lands on blue is 0.05. What is the probability it does NOT land on blue? Give a decimal.
Answer
Question 12
What is the probability of rolling an even number on a fair six-sided dice? Give a fraction in simplest form.
Answer(as a fraction)
Question 13
A bag has 8 red, 8 blue and 6 green marbles. One is picked at random. What is the probability it is green? Give a fraction in simplest form.
Answer(as a fraction)
Question 14
The probability a spinner lands on blue is 0.65. What is the probability it does NOT land on blue? Give a decimal.
Answer
Question 15
What is the probability of rolling a prime number on a fair six-sided dice? Give a fraction in simplest form.
Answer(as a fraction)
Question 16
A bag has 5 red, 5 blue and 2 green marbles. One is picked at random. What is the probability it is blue? Give a fraction in simplest form.
Answer(as a fraction)
All done? Color in the animal! · Free from eurekami.com/math