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WorksheetsBasic Probability Review Game
Total questions: 45
Worksheet time: 45mins
How many outcomes are in the sample space for tossing one coin?
1
2
4
8
Which of the following are possible samples spaces for tossing 2 coins? (May be more than one correct answer)
{H, T, H, T}
{HH, HT, TH, TT}
{H, T}
{T, H}
{TT, HH, TH, HT}
Which one is the sample space for flipping 3 coins?
{H, T}
{H1, H2, H3, T1, T2, T3}
{HHH, TTT, HTH, THT, TTH, HHT}
{HHH, TTT, HTH, THT, TTH, HHT, HTT, THH}
An unprepared student takes a 3-question true/false quiz in which he guesses the answers to all 3 questions. What is the probability he gets all 3 correct?
1/2
1/3
1/6
1/8
You give the answer to a probability problem as 6/5. The teacher marks it wrong. Why?
It should have been 5/6.
Its not written as a percent.
Its more than 1.
Its not written as a decimal.
Which of these cannot be considered a probability of an outcome?
1/3
-1/5
0.80
112%
1
Roll a die one time. Find P(rolling a 4).
1/4
2/3
1/6
1/2
Roll a die one time. Find P(even number).
1/2
1/3
3/6
2/6
Roll a die one time. Find P(a number less than 7).
0
1
7/6
1/6
Roll a die one time. Find P(a number greater than 3 or odd).
0
1/2
5/6
1/6
Draw one card from a standard deck. Find P(ace)
1/13
1/4
4/13
1/52
Draw one card from a standard deck. Find P(diamond)
8%
25%
31%
2%
Rolling a pair of dice, find P(rolling doubles).
1/2
1/12
1/6
1/9
Rolling a pair of dice, find P(sum > 9).
1/2
1/12
1/6
1/9
Identify the shaded area...
A
B
A'
B'
Identify the shaded area...
A∩B
A∪B
A'∩B'
A'∪B'
Identify the shaded area...
A∩B
A∪B
A'∩B'
A'∪B'
Identify the shaded area...
A
B
A'
B'
An event with a probability of one
Certain
Theoretical Probability
Mutually Exclusive
Experimental Probability
On this spinner, what is P(not B)?
3/8
3/4
1/4
5/8
On this spinner, what is P(D or E)?
1/8
3/4
1/4
7/8
P(Foreign language ∩ Sport)?
Determine P(Male)
21/240
156/240
60/240
180/240
Determine the probability of a randomly selecting a person that drives a SUV.
156/240
84/240
21/240
135/240
Let M represent the event of randomly selecting a male. Let S represent the event of randomly selecting a person that drives a SUV.
Determine P(M|S).
60/156
21/156
21/60
21/240
Let M represent the event of randomly selecting a male. Let S represent the event of randomly selecting a person that drives a SUV.
Determine P(S|M).
21/156
21/240
21/60
60/156
Let M represent the event of randomly selecting a male. Let S represent the event of randomly selecting a person that drives a SUV.
Determine if the events M and S are independent.
Independent
Not Independent
Determine the probability of being a first class passenger and surviving the plane crash.
500/1317
201/324
201/1317
823/1317
Are the events "first class passenger" and "survived" independent?
Independent
Not Independent
Identify the shaded area...
A∩B
A∪B
A'∩B'
A'∪B'
The diagram shows the sports played by 80 students.
If a student is picked at random, what is the probability that they play football?
66/80
4/80
18/80
49/80
The diagram shows the sports played by 80 students.
If a student is picked at random, what is the probability that they play football only?
66/80
4/80
18/80
49/80
The diagram shows the sports played by 80 students.
If a student is picked at random, what is the probability that they play all three sports?
31/80
45/80
62/80
67/80
The diagram shows the sports played by 80 students.
If a student is picked at random, what is the probability that they play Hockey and Rugby?
36/80
5/80
41/80
44/80
The diagram shows the sports played by 80 students.
If a student is picked at random, what is the probability that they play Hockey and Rugby but not Football?
36/80
5/80
41/80
44/80
What does it mean for two events to be independent of each other?
What happens in the second event depends on what happens in the first.
The result of the first event has no effect on the result of the next event.
