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A Student Believes That the Average Grade on the Final

Question 47

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A student believes that the average grade on the final examination in statistics is at least 85. She plans on taking a sample to test her belief. The correct set of hypotheses is


A) H0: μ < 85 Ha: μ A student believes that the average grade on the final examination in statistics is at least 85. She plans on taking a sample to test her belief. The correct set of hypotheses is A) H<sub>0</sub>: μ < 85 H<sub>a</sub>: μ 85. B) H<sub>0</sub>: μ 85 H<sub>a</sub>: μ > 85. C) H<sub>0</sub>: μ 85 H<sub>a</sub>: μ < 85. D) H<sub>0</sub>: μ > 85 H<sub>a</sub>: μ 85. 85.
B) H0: μ A student believes that the average grade on the final examination in statistics is at least 85. She plans on taking a sample to test her belief. The correct set of hypotheses is A) H<sub>0</sub>: μ < 85 H<sub>a</sub>: μ 85. B) H<sub>0</sub>: μ 85 H<sub>a</sub>: μ > 85. C) H<sub>0</sub>: μ 85 H<sub>a</sub>: μ < 85. D) H<sub>0</sub>: μ > 85 H<sub>a</sub>: μ 85. 85 Ha: μ > 85.
C) H0: μ A student believes that the average grade on the final examination in statistics is at least 85. She plans on taking a sample to test her belief. The correct set of hypotheses is A) H<sub>0</sub>: μ < 85 H<sub>a</sub>: μ 85. B) H<sub>0</sub>: μ 85 H<sub>a</sub>: μ > 85. C) H<sub>0</sub>: μ 85 H<sub>a</sub>: μ < 85. D) H<sub>0</sub>: μ > 85 H<sub>a</sub>: μ 85. 85 Ha: μ < 85.
D) H0: μ > 85 Ha: μ A student believes that the average grade on the final examination in statistics is at least 85. She plans on taking a sample to test her belief. The correct set of hypotheses is A) H<sub>0</sub>: μ < 85 H<sub>a</sub>: μ 85. B) H<sub>0</sub>: μ 85 H<sub>a</sub>: μ > 85. C) H<sub>0</sub>: μ 85 H<sub>a</sub>: μ < 85. D) H<sub>0</sub>: μ > 85 H<sub>a</sub>: μ 85. 85.

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