1) In how many ways can a prime number turn up in rolling a die once? a) 1 b) 2 c) 3 d) 4 2) When you roll a die thrice, how many possible outcomes are there? a) 100 b) 156 c) 200 d) 216 3) How many possible outcomes are there in tossing three coins simultaneously? a) 4 b) 8 c) 12 d) 16 4) In playing a snake and ladder game, you hope to get a number 5 in rolling a die once to win a game. Which of the following describes the phrase “get a number 5”? a) Event b) Experiment c) Sample Point d) Sample Space 5) In a bag, there are 3 white balls, 2 brown balls and 4 gray balls. How many possible outcomes when one ball is chosen randomly from the bag? a) 3 b) 5 c) 7 d) 9 6) The set of possible outcomes of getting composite number from the counting numbers 5 to 10 is S = {6,8,9,10}. Which of the following terms describes this set of outcomes? a) Event b) Experiment c) Sample Point d) Sample Space 7) Which of the following is an event in rolling a die once? a) 𝐸1={1,4,7}. b) 𝐸2={2,3,5}. c) 𝐸3={0,2,4,6} d) 𝐸4={1,4,9,16} 8) box contains 2 red and 3 blue marbles. Which of the following is the sample space when you randomly draw a marble? a) 𝑆={𝑟,𝑏} b) 𝑆={𝑟1,𝑟2} c) 𝑆={𝑏1,𝑏2,𝑏3} d) 𝑆={𝑟1,𝑟2,𝑏1,𝑏2,𝑏3} 9) Which of the following is the sample space when you flip a coin and roll a die once simultaneously? a) 𝑆={𝐻1,𝐻2,𝐻3,𝐻4} b) 𝑆={𝐻,𝑇,1,2,3,4,5,6} c) 𝑆={𝐻1,𝐻2,𝐻3,𝑇1,𝑇2,𝑇3} d) 𝑆={𝐻1,𝐻2,𝐻3,𝐻4,𝐻5,𝐻6,𝑇1,𝑇2,𝑇3,𝑇4,𝑇5,𝑇6} 10) From the counting numbers 1 to 30, in how many ways can you choose a number which is a multiple of three? a) 5 b) 10 c) 12 d) 15

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