Suppose we want to test the claim that less than $1 / 2$ of Americans are in favor of raising the voting age to 21. Is the hypothesis test left-tailed, right-tailed, or two-tailed?
A) Left-tailed
B) Right-tailed
C) Two-tailed
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Question

Quizplus · Accepted Answer

The claim is that less than $1 / 2$ of Americans are in favor, which suggests a left-tailed test as we are testing if the proportion is less than a specific value.

Suppose We Want to Test the Claim That Less Than 1/21 / 21/2

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