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JSS2: MATHEMATICS - 3RD TERM

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  1. Scale Drawing | Week 1
    3 Topics
    |
    1 Quiz
  2. Angles of Elevation & Depression | Week 2
    3 Topics
    |
    1 Quiz
  3. Pythagoras’ Theorem I | Week 3
    3 Topics
    |
    1 Quiz
  4. Pythagoras’ Theorem II | Week 4
    2 Topics
    |
    1 Quiz
  5. Area and Volume of Cones and Cylinders | Week 5
    3 Topics
    |
    1 Quiz
  6. Cones | Week 6
    3 Topics
    |
    1 Quiz
  7. Bearings and Distances I | Week 7
    2 Topics
    |
    1 Quiz
  8. Bearings and Distances II | Week 8
    2 Topics
    |
    1 Quiz
  9. Presentation of Data | Week 9
    6 Topics
    |
    1 Quiz
  10. Probability | Week 10
    6 Topics
    |
    1 Quiz



Lesson 10, Topic 6
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Theoretical and Experimental Probability

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Topic Content:

  • Theoretical and Experimental Probability

Theoretical Probability:  A theoretical probability is a probability of an event based on equally likely outcomes. e.g., throwing dice or tossing a coin. 

Experimental Probability: This is a probability obtained by performing experiments or surveys. It is sometimes called relative frequency. 

Relative frequency = \( \frac{number\:of\:successful\:trials}{total\:number\:of\:trials} \)

Example 10.6.1: 

Johnson threw a dice 200 times and he obtained the following frequency distribution 

Score 123456
Frequency 323430333536

a. Find the relative frequency of throwing a 5 
b. Find the relative frequency of throwing a prime number 
c. Find the probability of throwing a 3 or a 6 

Solution 

(a) Frequency of scoring 5 = 35 

 

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