Suppose You Intend to Test the Claim That a Typical

Multiple Choice

Suppose you intend to test the claim that a typical high school student in Sydney spends more than $50 a week on mobile phone calls. Which hypotheses are used to test the claim?

A) H0:   50.HA:  < 50.
B) H0:  = 50.HA:   50.
C) H0:   50.HA:  = 50.
D) H0:  = 50.HA:  > 50.