Probability terms
Simple Probability
Compound Probability
Random
Theoretical/experimental
100
What is the probability you will walk outside and see a flying zebra?
A. Impossible
B. Unlikely
C. Equally Likely
D. Likely
E. Certain
Impossible
100
Given a standard die, what is the probability of rolling an even number written as a percentage?
50%
100
When rolling two standard dice, what is the probability of rolling both even numbers? Write your answer as a fraction.
9/36=1/4
100
The price of a notebook increased from $10 to $12.
What is the percent increase?
20% increase
100
A number cube (dice) has numbers 1–6.
What is the probability of rolling a 3?
1/6
200
What is the probability you will get an even number when you roll a dice?
A. Impossible
B. Unlikely
C. Equally Likely
D. Likely
E. Certain
C. Equally likely
200
In a deck of 52 cards, what is the probability of randomly drawing an ace? Write your answer as a fraction.
4/52=1/13
200
When rolling two standard dice, what is the probability of rolling the sum of 7? Write your answer as a fraction.
6/36=1/6
200
A number decreased by 8 equals 12.
Write an equation to represent the situation.
x−8=12
200
A number cube (1–6) is rolled.
What is the theoretical probability of rolling a number greater than 4?
1/3
300
Mr Wilson wants to know what sport kids at French want to see added to middle school options. What sample would be representative for him to ask?
A. a group of 40 students currently involved in sports
B. a group of 40 students NOT involved in sports
C. a group of students with 1 each from 6th, 7th, and 8th grade
D. a group of 40 students randomly selected from the school
D. a group of 40 students randomly selected from the school
300
Based on the spinner shown, what is the probability of spinning an even number? Write your answer as a fraction. 
2/9
300
What is the probability of flipping heads on a coin, then rolling a number less than 4 on a die?
3/12=1/4
300
A rectangular prism has a length of 6 cm, a width of 4 cm, and a height of 3 cm.
What is the surface area of the rectangular prism?
108 cm²
300
A spinner has 4 equal sections: red, blue, green, and yellow.
If the spinner is spun 30 times and lands on blue 6 times, what is the experimental probability of landing on blue?
1/5
400
A spinner has only the color yellow on every section. What is the probability of landing on yellow?
certain
400
Based on the spinner shown, what is the probability of landing on green? Write your answer as a percentage.
33.3%
400
Based on the spinners shown, what is the probability of spinning an even number on both spinners? Write your answer as a percentage.
50%
400
Convert the mixed number 4 3/5 into an improper fraction.
23/5
400
A coin was flipped 20 times, and it landed on heads 12 times.
What is the experimental probability of landing on heads?
12/20 or 3/5
500
A bag contains 1 blue marble and 8 red marbles. You pick one marble at random. What is the probability of picking a blue marble?
unlikely
500
What is the probability of drawing the yellow marble? Write your answer as a fraction and percentage.
1/10 = 10%
500
When spinning the spinner shown below twice, what is the probability of spinning green both times? Write your answer as a fraction and percent.
4/64=1/16=6.25%
500
A rectangular prism has a volume of 120 cm³.
The length is 10 cm and the width is 4 cm.
3 cm
500
A bag contains 3 red marbles, 4 blue marbles, and 5 green marbles.
What is the probability of picking a blue marble?
1/3