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AQA GCSE Mathematics Probability overview quiz quiz

12questions. Pick an answer and you'll see why right away.

  1. A fair six-sided dice is rolled. What is the probability of rolling an even number?

  2. The probability that it rains tomorrow is 0.40.4. What is the probability that it does not rain?

  3. A fair coin is tossed three times. What is the probability of getting three heads?

  4. A bag has 55 red and 33 green counters. Two are drawn without replacement. What is the probability both are green?

  5. A spinner lands on blue 2424 times in 8080 spins. What is the relative frequency of blue?

  6. A biased dice lands on five with probability 0.30.3. How many fives are expected in 4040 rolls?

  7. On a Venn diagram, what does the region ABA \cap B represent?

  8. Why does carrying out 10001000 trials give a better probability estimate than 1010 trials?

  9. When using a tree diagram, what should you do to find the probability of one full path of events?

  10. A bag contains 33 red and 55 blue counters. What is the probability of drawing a red counter at random?

  11. Two events are mutually exclusive. How do you find the probability that one or the other happens?

  12. A drawing pin lands point up 3535 times in 100100 drops. What is the estimated probability it lands point up?