Which of the following is an appropriate set of hypotheses for testing if the mean amount of caffeine in the sample of pills is significantly different from a specified value?

A) H0: μ = μ0, H1: μ ≠ μ0
B) H0: μ ≠ μ0, H1: μ = μ0
C) H0: μ > μ0, H1: μ < μ0
D) H0: μ < μ0, H1: μ > μ0



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