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Wordabulary

sample space

Pronunciation
Noun B2 Upper-intermediate

Quick answer

The complete set of all possible outcomes of a random experiment.

"For a single coin flip, the sample space consists of just two outcomes, heads and tails."

Usage notes

Listing a sample space carefully is often the hardest part of a probability problem, everything after that is just counting.

Test yourself

Which word fits the gap? "For a single coin flip, the _____ consists of just two outcomes, heads and tails."

Answer: sample space

In your own words, what does "sample space" mean?

The complete set of all possible outcomes of a random experiment.

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