A Null and Alternative Hypothesis for a One Proportion Z

question 17

Multiple Choice

A null and alternative hypothesis for a one proportion z test are given as H₀: p = 0.8, H_a: p < 0.8. This hypothesis test is

• A)lower-tailed.
• B)upper-tailed.
• C)two-tailed.
• D)these hypotheses are incorrectly stated.

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