Probability
Although the outcome of an experiment is unpredictable, the relative frequency approaches more and more a fixed value as the number of trials increases.
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Remember
The stabilization of the relative frequency with increasing number of experiments is called the empirical law of large numbers.
The value to which the relative frequencies of an event approach at a large number of trials is called the probability of the event.
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Hint
The probability indicates the relative frequency that can be expected with frequent trials.