Which of the Following Would Be an Appropriate Alternative Hypothesis $H _ { 1 } : \bar { X } = 0.653$

Which of the following would be an appropriate alternative hypothesis for the one-sample t test of the hypothesis that the mean reaction time of a population of 45 year-old drivers is 0.653 seconds?

A) $H _ { 1 } : \bar { X } = 0.653$
B) $H _ { 1 } : \bar { X } \neq 0.653$
C) $H _ { 1 } : \mu = 0.653$
D) $H _ { 1 } : \mu \neq 0.653$

Correct Answer:

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