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In probability, what is an experiment?
AA planned operation under controlled conditions
BA record of one result of a chance activity
CA subset of all the outcomes that can occur
DA number between zero and one for an event
Answer & Solution
Correct answer: A. A planned operation under controlled conditions
1. An experiment is a planned operation carried out under controlled conditions.
2. When its result is not predetermined it is called a chance experiment, as flipping a fair coin twice is.
3. A single result is an outcome and a collection of outcomes is an event, so those choices name other terms.
_Source: OpenStax Introductory Business Statistics (CC BY 4.0), Ch 3 "Probability Topics", section 3.1 Terminology_
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