The probability scale

12 questions

1. Which letter on the scale of likelihoods represents 'even chance'?
2. What does the letter A represent on the scale of likelihoods?
3. Which word describes the likelihood of an outcome that is guaranteed to happen?
4. Which percentage is equivalent to 0.1?
5. Which fraction is equivalent to 50%?
6. What is 25% of 2000?
7. The letter E on the scale represents a probability of ___%.
8. Which probabilities are equivalent to an 'even chance'?
9. What is the probability of an event that is impossible?
10. Which is the probability that this spinner lands on 'win'?
11. A trial has three possible outcomes: {A, B, C}. P(A) = {1}\over{2}. P(B) = {1}\over{3}. P(C) = {1}\over{6}. Which outcome is most likely to happen?
12. The probability on an outcome is 20%. Approximately how many times could you expect the outcome to occur in 500 trials?

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