Probability, Section: 8

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10 Terms

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Theoretical probability

is calculated from what should happen mathematically

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Experimental probability

is based on what actually happened in an experiment

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Relative frequency

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What happens when you increase the total number of trials in an experiment

Better probability estimate

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Expected Frequency

is the probability times the total number of trials

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Fair experiment

is when all outcomes in an experiment have an equal chance to occur

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Biased Experiment

when outcomes that are supposed to be equally likely do not actually have equal probabilities.

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Combined events

it involves two or more events

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Independent events


Two events are independent when the first event does not change the probability of the second