Potential Errors When Performing Tests

AP Statistics· difficulty 2/5

A test of H₀: p = 0.5 vs Hₐ: p > 0.5.

A Type I error occurs when:

A
$We fail to reject H₀ when H₀ is false.$
B
$We reject H₀ when Hₐ is true.$
C
$We fail to reject H₀ when H₀ is true.$
D
$We reject H₀ when H₀ is true.$
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Explanation

Type I error = rejecting a true null hypothesis (false positive). Probability = α.

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