A Student's Grade on an Examination Was Transformed to a Z

Multiple Choice

A student's grade on an examination was transformed to a z value,which was negative.Therefore,we know that he scored:

A) Higher than 16 percent of the class.
B) Higher than 45 percent of the class.
C) Above the first quartile.
D) Below the mean.
E) Lower than 16 percent of the class.