A fair coin is flipped 20,000 times and heads comes up close to half the time. That result illustrates that probability is the long-term:
ARegression line
BRelative frequency
CRounding error
DReference range
Answer & Solution
Correct answer: B. Relative frequency
1. A handful of flips can wander far from a half.
2. As repetitions grow the proportion settles down.
3. Probability is the long-term relative frequency of the outcome.
_Source: OpenStax Introductory Statistics 2e, Chapter 3, Probability Topics._
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