Basic Probability/Sample Space

- 1. A bowl has 4 red, 5 blue and 2 green lollies. If a lolly is chosen at random from the jar, then which outcome is an impossible event?
A) None of the Above B) Picking a blue lolly C) Picking a red lolly D) Picking a yellow lolly - 2. A spinner has the colours green, yellow, red and blue in equal sections drawn on it. Which of the following is a certain event?
A) Landing on the moon B) Landing on a yellow C) Landing on a colour D) landing on a number - 3. Which probability word would best describe winning the lottery when you bought 1 ticket?
A) Likely B) Even chance C) Certain D) Impossible E) Unlikely - 4. Probability can be written as a
A) Decimal B) Percentage C) All of the above D) Fraction - 5. The probability of a certain event is
A) 0 B) 1/2 C) 1 D) None of the above - 6. The probabiltiy of an even chance is
A) All of the above B) 1/2 C) 50% D) 0.5 - 7. A probability word describing getting a number greater than 6 when a 6-sided die is tossed would be
A) Certain B) Even chance C) Impossible D) Unlikely - 8. If a 5-sided fair die has the numbers 1,2,3,3,4 on it, is it a fair die?
A) Sometimes B) Yes C) No, there are 2 threes on it - 9. A spinner with 4 equal sections has the colours red, blue, green, red on it. Is it a fair spinner?
A) Sometimes B) Could you repeat the question? C) Yes D) No, there are 2 colours the same - 10. True or False? In a swimming race, there are 10 people competing. There is a first, second and third place prizes. Therefore, each person has a 1/3 chance of winning a prize.
A) True. There are 3 prizes, so each person could win B) False. We do not know the abilities of the swimmers or if one is injured. - 11. What is the sample space of a number between 1 and 7?
A) {a,b,c,d,e,f} B) {1,2,3,4,5,6,7} C) {2,3,4,5,6} D) None of the above - 12. What is the number in the sample space for choosing a number between 1 and 7?
A) n(S) = 5 B) n(S) = 8 C) n(S) = 7 D) n(S) = 6 - 13. What is the sample space for choosing 1 letter at random from the word MATHEMATICS?
A) There is no sample space B) Both A and B C) {M,A,T,H,E,I,C,S} D) {M,A,T,H,E,M,A,T,I,C,S} - 14. What is the number in the sample space for choosing 1 letter at random from the word MATHEMATICS?
A) n(S) = 8 B) There is no sample space C) n(S) = 23 D) n(S) = 11 |

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