IB Venn Diagrams and Probability
Questions 1 to 4. The diagram below shows the probability of a student picking Maths or Physics for a university course.
1. Find the probability that a randomly chosen student is studying Maths.
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2. Find the probability that a randomly chosen student is studying Physics only.
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3. Find the probability that a randomly chosen student is studying Maths, given that they do Physics.
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4. Find the probability that a randomly chosen student is studying Maths and Physics, given that they take at least one of these courses.
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Question 5 to 8. The following shows some probabilities of events A and B occurring.
5. Find the value of a.
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6. Which of the following is true?
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6. Which of the following is true?
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7. Calculate P(A/B).
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8. Calculate P(B/A).
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Questions 9 to 11. In the following a, b, c, and d are all probabilities.
9. Select the correct answer.
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10. Select the correct answer
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11. Given events A and B are independent, which of the following is true?
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Questions 12 to 13.
12. Select the correct answer
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13. Select the correct answer.
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14. Select the correct answer.
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15. Select the correct answer
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