Probability (Grade 10 NSC Matric Mathematics): Flashcards
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Define relative frequency
Define relative frequency
Measure of how often an outcome occurs in an experiment
Relative frequency formula
Relative frequency formula
What does represent in ?
What does represent in ?
Number of positive outcomes (successes)
What does represent in ?
What does represent in ?
Total number of trials
What does represent in ?
What does represent in ?
Relative frequency
Is relative frequency experimental or theoretical?
Is relative frequency experimental or theoretical?
Experimental - must perform trials and count results
Range of possible relative frequency values
Range of possible relative frequency values
Between 0 and 1
Effect of more trials on relative frequency
Effect of more trials on relative frequency
It approaches the theoretical probability
When to use relative frequency
When to use relative frequency
When theoretical probability is unknown or hard to calculate
Does relative frequency vary between experiments?
Does relative frequency vary between experiments?
Yes, it can vary each time the experiment is repeated