
Understanding Probability Concepts

Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard

Emma Peterson
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to label probability trees with fractions?
To ensure all events have equal probability
To make the tree look more complex
To understand the probability of each event
To confuse the students
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does it imply if a probability tree is drawn with equal chances for all events?
The probabilities are not labeled
All events are equally likely
The tree is incorrect
Some events are more likely than others
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When considering different stages of an event, how are they weighted?
Differently
Equally
Not at all
Randomly
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you do when combining probabilities across different stages?
Subtract them
Multiply them
Divide them
Add them
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it incorrect to add probabilities across stages?
It is a common mistake
It is only correct for certain events
It makes calculations easier
It results in probabilities greater than 1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the coin flip example, what is the probability of flipping two heads in a row?
75%
100%
25%
50%
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does multiplying probabilities across stages ensure?
Probabilities are ignored
Probabilities are calculated correctly
Probabilities add up to more than one
Probabilities are underestimated
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