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Calculating theoretical probabilities from Venn diagrams (one event)

The starter and exit quiz of the lesson “Calculating theoretical probabilities from Venn diagrams (one event)”, from the unit “Probability: theoretical probabilities” (Year 9 Maths) by Oak National Academy.

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Oak National Academy

12 questions

  1. What is the probability that this spinner will land on either L or T?
  2. A coin is flipped twice. How many possible outcomes will be in the sample space?
  3. If the probability of an event (A) is 1/6, and the experiment is repeated 78 times, what is the theoretical number of times (A) will occur?
  4. In a bag with 5 red counters and 3 green counters, what is the probability of randomly selecting a red counter?
  5. In a bag with 5 red counters, 2 blue counters and 3 green counters, what is the probability of randomly selecting a blue counter?
  6. In a fair six-sided die, what is the probability (as a decimal) of rolling an even number and getting a head in a single toss of a fair coin?
  7. Which of the following is the correct data set for A?
  8. When throwing a fair sided die, what is the probability of not getting a 6?
  9. What is the intersection of the sets A {𝜷, 𝜸, 𝜹} and B {𝜷, 𝜽}
  10. Which of the following is the correct data set for B?
  11. When throwing a fair sided die, what is the probability of not getting a multiple of 3?
  12. What is the correct set of outcomes, ξ , shown in this Venn diagram?

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Calculating theoretical probabilities from Venn diagrams (one event) · Examplary