What is the main focus of the lesson introduced at the beginning?
Conditional Probability and Tree Diagrams: Determining Thumb Preference Based on Handedness

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Mathematics
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1st - 6th Grade
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identifying conditional probability using tree diagrams
Learning about probability in general
Exploring the history of probability theory
Understanding the concept of right and left-handedness
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the key example, what is the probability of selecting the gold key first?
1 out of 2
2 out of 3
1 out of 3
0 out of 3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do we call the probabilities that depend on a previous event?
Simple probabilities
Complex probabilities
Conditional probabilities
Independent probabilities
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you determine if you are right-thumbed or left-thumbed?
By measuring the strength of each thumb
By checking which hand you write with
By clasping your hands and seeing which thumb is on top
By observing which hand you use to eat
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the probability of being right-thumbed given that you are right-handed?
1 out of 3
10 out of 17
7 out of 17
2 out of 3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the probability of being left-thumbed given that you are left-handed?
1 out of 2
1 out of 3
2 out of 3
3 out of 3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the lesson suggest about the sample size used in the survey?
It is large enough to draw definitive conclusions
It is too small to be reliable
It is irrelevant to the results
It is the perfect size for this study
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