If the null hypothesis is P ≥ 0.20 and the alternate hypothesis is P

Name: If the null hypothesis is P ≥ 0.20 and the alternate hypothesis is P < 0.20,then a two-tail test is being conducted.
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Question

If the null hypothesis is P ≥ 0.20 and the alternate hypothesis is P < 0.20,then a two-tail test is being conducted.

Quizplus · Accepted Answer

A two-tail test would have an alternate hypothesis that is not specific to either direction (e.g. P ≠ 0.20). In this case, the alternate hypothesis specifically states that the true proportion is less than 0.20, indicating a one-tail test.

If the Null Hypothesis Is P ≥ 0