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Definitions
General Probability
Theoretical/Experimental
Prediction
100
What does "fair" mean?
Both opponents have the same chance of winning.
100
There are 3 marbles in a bag (1 blue, 1 orange, and 1 yellow). What is the probability of selecting an orange marble?
1/3
100
What is the theoretical probability of flipping a coin and landing on heads?
1/2, 0.5, 50%
100
Nate is conducting an experiment with a coin. If he were to flip the coin 160 times, how many times could he expect the cube to land on heads?
80 times
200
What does "certain" mean?
You are 100% sure.
200
There are 5 pieces of candy in a bag (1 peppermint, 2 tootsie rolls, and 2 gumballs). What is the probability of selecting a peppermint or gumball?
3/5
200
Lauren rolled a number cube 15 times. Her results showed she rolled an odd number 6 times and an even number 9 times. What was her experimental probability of rolling an even number?
9/15, 0.6, 60%
200
Gabby is conducting an experiment with a number cube. She rolled the cube 18 times. How many times could she expect the cube to land on a 4?
3 times
300
What is probability?
The chance/likelihood of an event occurring.
300
There is a spinner divided into 6 equal sections labeled 1, 2, 4, 6, A, and B. What is the probability of landing on an even number or a vowel?
4/6
300
Mrs. Anderson is rolling a number cube. What is the theoretical probability of rolling a 1 or a 3?
2/6, 0.33, 33.3%
300
Alexis is spinning a spinner divided into 5 equal sections with the labels blue, red, orange, blue, yellow. Predict the probability of landing on a blue section if she were to spin the spinner 155 times.
62 times
400
What is sample space?
A list of all possible outcomes of an experiment.
400
Josh is a very good student. He is more likely to attend class than to miss class. Which could be the probability that he misses class tomorrow? A. -0.5 B. 0.2 C. 0.8 D. 1.1
B. 0.2
400
Mr. Ruth flipped a coin 200 times and recorded his results. He flipped heads 96 times and tails 104 times. 1. What is the experimental probability of flipping a heads? 2. Which is percentage for flipping a heads is greater: experimental or theoretical?
1. 96/200, 0.48, 48% 2. Theoretical is greater. 50% is greater than 48%.
400
Austin is conducting an experiment with a number cube. He rolled the cube 36 times. How many times could he expect the cube to land on a 6?
6 times
500
What is an outcome?
The result of a single trial of an experiment.
500
Mr. Thompson has a free throw shooting average of 40%. To do a simulation of his free throws using the random numbers 0 through 9, how would you assign the random numbers to simulate this situation?
Answers may vary. Example: 0, 1, 2, 3 makes free throw; 4,5,6,7,8,9 misses
500
Dylan rolled a number cube 40 times. He landed on an even number 14 times and an odd number 26 times. 1. What is the experimental probability of landing on an odd number? 2. Which percentage of rolling an odd number is greater: theoretical or experimental?
1. 26/40, 0.65, 65% 2. Experimental is greater. 65% is greater than 50% (theoretical probability)
500
Ty is spinning a spinner divided into 6 equal sections with the labels pink, green, blue, red, purple, and green. Predict the probability of landing on a purple or pink section if she were to spin the spinner 600 times.
200 times