Probability that an event does not happen
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
The probability that it rains tomorrow is 0.61. What is the probability that it does NOT rain?
Answer
Question 2
A bag has 8 red, 6 green and 1 blue marbles. One is picked at random. What is P(not red)? Give a fraction in simplest form.
Answer(as a fraction)
Question 3
The probability of winning a game is 2/10. What is the probability of not winning? Give a fraction in simplest form.
Answer(as a fraction)
Question 4
The probability that it rains tomorrow is 0.36. What is the probability that it does NOT rain?
Answer
Question 5
A bag has 5 red, 4 green and 3 blue marbles. One is picked at random. What is P(not red)? Give a fraction in simplest form.
Answer(as a fraction)
Question 6
The probability of winning a game is 1/5. What is the probability of not winning? Give a fraction in simplest form.
Answer(as a fraction)
Question 7
The probability that it rains tomorrow is 0.61. What is the probability that it does NOT rain?
Answer
Question 8
A bag has 1 red, 2 green and 3 blue marbles. One is picked at random. What is P(not red)? Give a fraction in simplest form.
Answer(as a fraction)
Question 9
The probability of winning a game is 1/12. What is the probability of not winning? Give a fraction in simplest form.
Answer(as a fraction)
Question 10
The probability that it rains tomorrow is 0.73. What is the probability that it does NOT rain?
Answer
Question 11
A bag has 6 red, 4 green and 1 blue marbles. One is picked at random. What is P(not red)? Give a fraction in simplest form.
Answer(as a fraction)
Question 12
The probability of winning a game is 5/6. What is the probability of not winning? Give a fraction in simplest form.
Answer(as a fraction)
Question 13
The probability that it rains tomorrow is 0.33. What is the probability that it does NOT rain?
Answer
Question 14
A bag has 8 red, 7 green and 7 blue marbles. One is picked at random. What is P(not red)? Give a fraction in simplest form.
Answer(as a fraction)
Question 15
The probability of winning a game is 2/5. What is the probability of not winning? Give a fraction in simplest form.
Answer(as a fraction)
Question 16
The probability that it rains tomorrow is 0.28. What is the probability that it does NOT rain?
Answer
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