Probability
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Intros
Lessons
- Introduction to Probability
- What is probability?
- How to write probability as a fraction, decimal, and percent?
- How to draw a tree diagram?
- Introduction to statistics:
• What is mean?
• What is median?
• What is an outlier?
• What is mode?
• What is range?
- What is a two-way frequency table?
- How to read a two-way frequency table?
Examples
Lessons
- The following is the money raised in a school fund raising activity by each class in grade 9: $1 000, $580, $810, $1 050, $840 and $600. What is the mean, median and mode amount of money raised by these six classes?
- Six hundred people were randomly selected in downtown. They were asked if they choose their clothes based on its comfort or style. The following is the results:
Comfort
Style
Total
Male
172
133
305
Female
115
180
295
Both
287
313
600
