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WorksheetsSimple Probability and Their Complement
Total questions: 10
Worksheet time: 10mins
What is the probability of spinning a purple?
1/4
1/8
2/4
5/8
What is the probability of spinning a purple on the following spinner?
1
1/3
1/2
3/3
What is probability?
Represented as a fraction.
The chance of an event happening.
Favorable Outcomes/ Total Possible Outcomes
All of the above
What is the probability of choosing a red marble if there are 8 red marbles in a jar of 15?
P = 3/15
P = 7/15
P = 8/15
P = 15/8
What is the probability of flipping a coin 20 times and landing on heads 11 times?
P = 1/10
P = 11/20
P = 9/20
P = 10/20
What is the probability of it snowing 3 days out of the week?
P = 4/7
P = 2/7
P = 5/7
P = 3/7
What is the complement of it snowing 3 days out of the week?
P' = 4/7
P' = 2/7
P' = 5/7
P' = 3/7
How likely are you to roll an even number of a regular die?
P = 2/6
P = 1/2
P = 1/3
P = 2/3
The letters that form the word ALGEBRA are placed in a bowl. What is the probability of not choosing the letter “A”?
2/7
5/49
5/7
10/49
P(not A) =
*Remember to simplify.*
6/8
3/4
2/8
1/4
