A sample of 85 chewable vitamin tablets have a sample mean o

A sample of 85 chewable vitamin tablets have a sample mean of 272 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 differs from 270 milligrams. State the appropriate null and alternate hypotheses.

Solution

The null hypothesis is:

H0:=270

Against the alternative hypothesis

H1:270