2. 1. ____1.Sarah rolled a number cube 30 times and recorded the results. She found that she rolled an even number 16 times. What does represent? a.theoretical probability b.sample space c.experiment d.experimental probability

3. 2. ____2.There are 4 boys and 2 girls in the Science Club. Which simulation could be used to determine the probability that at least one of the demonstrators will be a girl? a.toss a coin two times b.spin a spinner with 4 equal sections two times c.roll a six-sided number cube two times d.pick a card from 10 cards two times

4. 3. 3.Ilana drew a marble at random from a bag containing 4 blue, 3 red, 2 yellow, and 5 green marbles. What is the probability that she picked a marble that is not red? a.3/14 b. 11/14 c.3/11 d. 5/7

5. 4. 4.Breanna is conducting an experiment with a number cube. She rolled the cube 24 times. How many times could she expect the cube to land on 6? a.3 times b.4 times c.6 times d.12 times

6. 5. Carey has a bag of marbles. There are 4 red marbles, 5 blue marbles, and 1 green marble. She conducted an experiment in which she pulled out one marble and recorded the color and then returned it to the bag 50 times. Her results are shown in the table. What is the difference between the theoretical probability and the experimental probability of picking a green marble? a. 1/50 b. 1/10 c. 2/25 d. 1

7. 6. 6.On a spinner with two equal sections labeled 2 and 3, Josie determines that the probabilities of landing on 2 or 3 are equally likely. How would she express each probability as a decimal? a.0.05 b.0.1 c.0.5 d.1.0

8. 7. A cat has a litter of 5 kittens. Which simulation could be used to determine the probability that exact 3 kittens will be female? a.tossing 5 coins b.spinning a spinner with 5 equal parts c.using random integers from 1 to 5 d.rolling a 5 on a six-sided number cube

9. 8. Dean has a spinner that is divided into 4 equal sections. The sections are labeled 1, 2, 3, and 4. Dean spun the spinner 60 times. He recorded the results in the table below. What is the experimental probability of spinning a 2? a. 17/43 b. 17/60 c. 1/4 d. 17

10. 9. Jenna rolled a number cube twice and determined the sum. Which outcomes are equally likely? a.a sum of 2 and a sum of 3 b.a sum of 5 and a sum of 8 c.a sum of 4 and a sum of 10 d.all outcomes

11. 10. What is another way to describe an event with a probability of 0? a.certain b.unlikely c.equally likely d.impossible

12. 11. A beverage company puts one of the letters in the word MATH under each bottle cap. A prize is given to each person who collects all the letters. Which of the following could be used as a simulation for how many bottles it would take to collect all four letters? a.a spinner with 4 equal sections b.4 number cubes c.tossing a coin 4 times d.generating random integers from 1 to 100

13. 12. Vidriana rolled a number cube 96 times. Her results are shown in the table. What is the experimental probability of rolling an even number? a. 46/50 b. 48/96 c. 50/96 d. 42/96

14. 13. What is the probability of rolling a number less than 2 on a number cube? a.1/6 b. 1/5 c. 1/4 d. 1/2

15. 14. What is the greatest possible probability in any experiment? a. 9/10 b.1 c.10 d.100

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18. 17. Melissa spins the spinner once and the sum is recorded. a.List the sample space. b.Determine all the possibilities for obtaining the sums using an array. c. d. Did you calculate the experimental or theoretical probabilities? Explain. e.What is the sum of all the probabilities you determined in part (d)?