Basic Probability Quiz
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5 questions, one answer each
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1. What is the probability of an impossible event?
- A. A) 1
- B. B) 0.5
- C. C) 0
- D. D) It cannot be determined
2. What is the probability of rolling a 6 on a fair six-sided die?
- A. A) 1/2
- B. B) 1/6
- C. C) 1/3
- D. D) 6
3. A fair die is rolled 60 times. How many 6s would you expect?
- A. A) 6
- B. B) 10
- C. C) 60
- D. D) 1
4. A coin is flipped 100 times and lands heads 47 times. What is the relative frequency of heads?
- A. A) 0.50
- B. B) 0.47
- C. C) 0.53
- D. D) 47
5. P(it rains tomorrow) = 0.3. What is P(it does not rain tomorrow)?
- A. A) 0.3
- B. B) 0.7
- C. C) 1.3
- D. D) 0