Probability - Summative 20 Review

Based on the chart, what is the experimental probability of pulling a green or a red marble?

• $\frac{1}{8}$

• $\frac{25}{56}$

• $\frac{3}{5}$

• $\frac{7}{8}$

A bag contains 10 red, 6 green, 12 orange, and 8 purple candies. Without looking, Ann pulls 1 piece of candy out of the bag. What is the probability she pulls out a purple piece of candy?

• $\frac{1}{8}$

• $\frac{2}{9}$

• $\frac{1}{4}$

• $\frac{2}{7}$

The spinner shown is divided into 8 equal sections. The arrow on this spinner is spun once. What is the probability that the arrow will land on a section labeled with a number greater than 3?

• $\frac{1}{8}$

• $\frac{1}{4}$

• $\frac{1}{3}$

• $\frac{1}{2}$

Fred's parents took him to a video store and told him he could get one snack food and one movie. The movies and snacks he can choose from are listed below. Which of the following diagrams correctly shows all of Fred's choices of combinations?

• 
• 
• 
• 

Tony flips a coin and gets heads. He tells his friend that he can get heads two more times in a row. What is the probability that Tony will flip a coin and get heads three times in a row?

• $\frac{1}{8}$

• $\frac{1}{2}$

• $1\ \frac{1}{2}$

• 2

A restaurant has a build your own personal pizza on their express lunch menu. A customer can only choose one item from each category. The table below shows the different choices. How many different ways can a person order a lunch pizza?

• 3

• 9

• 18

• 27

A person has a coin and one standard deck of 52 playing cards. How many different outcomes are possible for picking a card and flipping the coin?

• 26

• 53

• 54

• 104

John has a bag of different colored marbles. He has 6 red marbles, 3 blue marbles, 7 yellow marbles, and 5 green marbles. If John reaches into the bag and randomly pulls out a marble, what is the probability that the marble will be blue? (If necessary, round to the nearest tenth.)

• 14.3%

• 28.6%

• 30.0%

• 85.7%

The spinner below is spun once. Which color is the arrow most likely to point to?

• red

• blue

• green

• orange

The two spinners, X and Y, shown are being used in a probability experiment. During each trial of the experiment, each spinner’s arrow is spun once. Which list shows the sample space for each trial of the experiment?

• {(A, 1), (A, 2), (A, 3), (B, 1), (B, 2), (B, 3), (C, 1), (C, 2), (C, 3)}

• {(A, 1), (A, 2), (A, 3), (A, 4)}

• {(A, A), (A, B), (A, C), (B, B), (B, C), (C, C), (1, 1), (1, 2), (1, 3), (1, 4), (2, 2), (2, 3), (2, 4), (3, 3), (3, 4), (4, 4)}

• {(A, 1), (A, 2), (A, 3), (A, 4), (B, 1), (B, 2), (B, 3), (B, 4), (C, 1), (C, 2), (C, 3), (C, 4)}