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WorksheetsUnderstanding Data Predictions in Probability
Total questions: 20
Worksheet time: 10mins
Which of the following events is certain to happen?
It will snow in July in Toronto.
The sun will rise in the east tomorrow.
You will find a four-leaf clover every day.
All coins will land on heads when flipped.
If you roll a regular six-sided die, what is the likelihood of getting a number greater than 6?
Impossible
Unlikely
Likely
Certain
Which word best describes the chance of picking a red marble from a bag that only contains blue marbles?
Certain
Likely
Impossible
Unlikely
On a probability line, where would you place an event that is equally likely to happen or not happen?
At the far left (0)
At the far right (1)
In the middle (0.5)
Just before the far right
If you have a bag with 5 red balls and 5 blue balls, what is the likelihood of picking a red ball?
Impossible
Unlikely
Equally likely
Certain
Which event is most likely to happen?
Rolling a 7 on a standard die
Getting heads when flipping a coin
Picking a green marble from a bag with only red marbles
It raining every day in August in Ottawa
If you spin a spinner with 4 equal sections (red, blue, green, yellow), what is the likelihood of landing on blue?
Impossible
Unlikely
Equally likely
Certain
Which of the following is an unlikely event?
Drawing a heart from a standard deck of cards
Rolling a 2 on a six-sided die
Picking a name from a hat with 100 names and getting your own
The sun setting in the west
If you have a bag with 9 green marbles and 1 red marble, what is the likelihood of picking a red marble?
Certain
Likely
Unlikely
Impossible
Which of the following best describes the likelihood of getting snow in Vancouver in July?
Certain
Likely
Unlikely
Impossible
Two classes collect data on the number of pets students have. Class A’s data: 0, 1, 2, 2, 3. Class B’s data: 2, 2, 2, 2, 2. Which class is more likely to have the mean, median, and mode all the same?
Class A
Class B
Both classes
Neither class
If you collect the number of siblings from two different schools, is it likely that the mean, median, and mode will all be the same for both data sets?
Yes, always
No, never
Sometimes, depending on the data
Only if both schools have the same number of students
Which data set is most likely to have the mean, median, and mode all equal?
1, 2, 3, 4, 5
2, 2, 2, 2, 2
1, 1, 2, 3, 4
1, 2, 2, 3, 4
If you collect the heights (in centimetres) of students from two different classes, what is the likelihood that the mean, median, and mode will all be the same for both classes?
Certain
Unlikely
Likely
Impossible
Which of the following data sets has a different mean, median, and mode?
3, 3, 3, 3, 3
1, 2, 3, 4, 5
2, 2, 2, 2, 2
4, 4, 4, 4, 4
If two different groups of students each roll a die 10 times and record the results, is it likely that the mean, median, and mode of their results will all be the same?
Certain
Unlikely
Likely
Impossible
Which of the following is a prediction you can make about the mean, median, and mode of two different data sets collected from different populations?
They will always be the same.
They will never be the same.
They might be the same, but it is not likely.
They must be different.
A class records the number of books read by each student: 2, 2, 3, 4, 5. What is the mean, median, and mode?
Mean: 3.2, Median: 3, Mode: 2
Mean: 3, Median: 3, Mode: 2
Mean: 3.2, Median: 2, Mode: 3
Mean: 3, Median: 2, Mode: 3
If you collect the ages of students in two different grade 4 classes, is it possible for the mean, median, and mode to be the same for both classes?
Yes, it is possible but not certain.
No, it is impossible.
Yes, it is always the case.
Only if both classes have the same number of students.
Which of the following statements is true about the mean, median, and mode of a data set?
They are always the same.
They can be the same, but often are different.
They are never the same.
They are always different.
