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Setting Up a Test for a Population Mean

AP Statistics· difficulty 3/5

For H_a: μ < μ₀ (left-tail), p-value is

  • A

    P(T ≥ observed t)

  • B

    Confidence level

  • C

    2·P(|T| ≥ |observed t|)

  • D

    P(T ≤ observed t)

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Explanation

Lower-tail probability under H₀.

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