Name ______Date ______Period ______
UNIT 13 SIMPLE PROBABILITY TEST REVIEW
1. Anise has purchased 5 shirts and 5 pairs of pants. How many new outfit combinations can she wear?
2. A number cube has 6 sides with the numbers 1 to 6 written on them. What is the probability the number cube will land on a multiple of 3?
3. Victoria plays on the school tennis team. Last season, she won14 out of 18 games she played. What is the probability of the complement event?
4. Jack in the Rectangular Prism is changing their dollar menu. They will now offer a choice spicy chicken or bacon burgers for the sandwich and chips, fries, or onion rings for the side. Write a LIST to show all the possible lunch combos that they offer from the dollar menu.
5. Jackson spins the spinner shown 20 times. He gets an odd number 8 times.
What is his experimental probability of getting an odd number?
What is the theoretical probability of getting an odd number?
How does his experimental probability compare to the theoretical probability? (<, >, or =)
6. A local weather station forecasted a 40% chance of snow in Montana. What is the probability that it will not snow in Montana? Write your answer in percent, ratio, and decimal forms.
7. Erza tosses a coin and spins a spinner that is equally numbered 1 to 3. Write the sample space as a LIST.
8. Amy played a game with her sister and rolled a fair number cube five times. She rolled a 1, 3, 3, 2, and1.
Find the experimental probability of rolling a 3:
Find the experimental probability of rolling a 5:
9. Nadine flipped a coin 12 times. Seven times she flipped the coin and it landed on heads and 5 times it landed on tails. What was the experimental probability that a coin landed on tails?
10. Elisashot arrows for archery practice and was able to get a bulls-eye 6 out of the 8 times. Based on this experimental probability, if she attempts 40 shots, how many bulls-eyes should she expect to get?
11. Thirty concert tickets areplaced in a bag. There are 4 country, 5 hip-hop, 11 rock, and 10 pop concert tickets. One ticket is selected. What is the probability that the ticket is for a hip-hop concert? Write your answer in decimal, percent, and ratio form.
12. Tammy is rolling a fair number cube labeled 1–6. What is the probability that Tammy will not roll a 4, or 5?
13. Diane needs to spin a red or yellow on her next turn to win a game. What is the probability, that Sophia wins the game on her next spin? Write your answer in the form of a decimal.
14. The table shows the possible sums when rolling two number cubes labeled 1–6.
What is the probability of rolling a sum of 4?
15. Madison made an “A” on 13 of 20 math assignments. What is the experimental probability that Madison will NOT make an “A” on her next math assignment?
Color / Number of SpinsBlue / 6
Red / 13
Yellow / 11
16. A spinner is divided into 3 equal sections. Each segment is colored blue, red, or yellow. The spinner is spun 30 times and the results are shown in the chart below. Based on this information, how many times would you expect the spinner to land on blue, if you spin the spinner a total of 150 times?
17. The Venn diagram shows the results of a survey where 20 people were asked about what kind of pets they had. Based on the information in the diagram, how many people out of 100 would you expect to say they have a dog?
x / y0 / -6
2 / -2
6 / 6
8 / 10
18. Write an equation that represents the relationship between x and y values in the table.
Hint: Start by finding the ROC
19. Solve the inequality below and graph the solution on a number line.
4x - 5 < 11
20. Give 3 examples of solutions that would make the inequality shown true.
-4x + 3 < -5
21. Draw a tree diagram for flipping a coin and then flipping another coin:
22. Make a table to show possible outcomes of flipping a coin and choosing a marble from a bag that contains one black and one white marble