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WorksheetsYear 7 Probability Quiz 1
Total questions: 19
Worksheet time: 28mins
The number of favorable outcomes divided by the total number of outcomes.
If you randomly selected a marble from the marbles in the diagram, how would you describe the likelihood that it is black ?
certain
likely
impossible
even chance
If you randonmly selected a marble, how would you describe the likelihood that it is black?
certain
probable
unlikely
even chance
If you randomly select a marble without looking, how would you describe the likelihood that it is white?
certain
likely
even chance
impossible
Something that is unlikely has a probability of ...
1
Between 0.5 and 1
Between 0 and 0.5
0
Something that is impossible has a probability of ...
1
Between 0.5 and 1
Between 0 and 0.5
0
An outcome is:
a process or experiment that can be repeated many times.
the result of an experiment.
a set of all possible outcomes.
the number of times an experiment is conducted.
A chance experiment is:
a process or experiment that can be repeated many times
The result of an experiment.
A set of all possible outcomes.
the number of times an experiment is conducted
Sample Space is:
a process or experiment that can be repeated many times.
the result of an experiment.
a set of all possible outcomes.
the number of times an experiment is conducted.
Trials are:
a process or experiment that can be repeated many times.
the result of an experiment.
a set of all possible outcomes.
the number of times an experiment is conducted.
The sample space for the spinner is:
S = {F}
S = {A, B, B}
S = {A, B, C, D, E, F}
S = {A, A, B, C, E, E, E, F}
a percentage
21
51
If a coin is flipped, what is the probability of getting a tail?
21
1
2
12
What is the probability of randomly choosing March from the months of a year?
121
1
3
123
What is the probability of randomly selecting a day that starts with the letter T from the days of the week?
72
2
7
71
There are 3 red marbles and 4 blue marbles in a jar.
What is the probability of randomly selecting a red marble from the jar?
43
123
73
74
A regular 6-sided die is rolled. What is the probability of getting a number more than 2?
32
65
61
31
There are 4 blue marbles and 12 yellow marbles in a jar.
What is the probability of randomly selecting a blue marble?
124
41
43
484
