If a teacher wants to test her belief that more than five students in college classes typically receive A as a grade, she'll perform _______-tail testing of a mean.

A. right

B. left

C. one (This would be the answer. Based on the fact that the test is one-tailed, thep-value is equal to thetailarea beyondzin the same direction as the alternative hypothesis). If I am incorrect, please explain why. :)

D. two