A sample of 90 chewable vitamin tablets have a sample mean of 277 milligrams of vitamin C. Nutritionists want to perform a hypothesis test to determine how strong the evidence is that the mean mass of vitamin C per tablet exceeds 279 milligrams.
State the appropriate null and alternate hypotheses.
a. H0: μ 277
b. H0: μ > 277, H1: μ = 277
c. H0: μ = 279, H1: μ ≠ 279
d. H0: μ = 279, H1: μ > 279
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