Elementary probability and sample spaces

Elementary probability and sample spaces Quiz

Spec 3.1–2 · Edexcel International A Level Maths: Quiz

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  1. 1. P(A)=0.35P(A)=0.35. Find P(A′)P(A').

    • A. 0.350.35
    • B. 0.650.65
    • C. 0.70.7
    • D. 0.550.55

  2. 2. Two fair coins are tossed. Find the probability of at least one head.

    • A. 34\frac34
    • B. 12\frac12
    • C. 14\frac14
    • D. 23\frac23

  3. 3. P(A)=0.5P(A)=0.5, P(B)=0.3P(B)=0.3 and P(A∪B)=0.65P(A\cup B)=0.65. Find P(A∩B)P(A\cap B).

    • A. 0.20.2
    • B. 0.80.8
    • C. 0.150.15
    • D. 0.350.35

  4. 4. AA and BB are mutually exclusive with P(A)=0.2P(A)=0.2 and P(B)=0.5P(B)=0.5. Find P(A∪B)P(A\cup B).

    • A. 0.10.1
    • B. 0.70.7
    • C. 0.30.3
    • D. 0.50.5

  5. 5. A die is rolled. Which pair of events is mutually exclusive?

    • A. Even and prime
    • B. Odd and a factor of 6
    • C. Even and greater than 3
    • D. Less than 3 and greater than 4

Quiz