Which of the following would be an appropriate null hypothesis?
A. The population proportion is equal to 0.60.
B. The sample proportion is equal to 0.60.
C. The population proportion is not equal to 0.60.
D. All of these choices are true.
Analysis:
A. Correct. The population proportion is equal to 0.60 would be an appropriate null hypothesis.
B. Incorrect. The population proportion is equal to 0.60 would be an appropriate null hypothesis.
C. Incorrect. The population proportion is equal to 0.60 would be an appropriate null hypothesis.
D. Incorrect. The population proportion is equal to 0.60 would be an appropriate null hypothesis.
ANSWER : A
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