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MMLU / Two events A and B each have a nonzero probability. If A and B are independent,…

Problem

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question

Two events A and B each have a nonzero probability. If A and B are independent, which of the following statements is true?

choices

  1. P(A and B) = P(A) · P(B)
  2. A and B may or may not be mutually exclusive.
  3. A and B must be mutually exclusive.
  4. P(A| B) = P(B| A)

subject

high_school_statistics

Discussion

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Source and history

Official source

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