A Mayor Is Concerned About the Percentage of City Residents $H _ { 0 } : p = 0.12 , H _ { A } : p > 0.12$

Multiple Choice

A mayor is concerned about the percentage of city residents who express disapproval of his job performance.His political committee pays for a newspaper ad, hoping that it will keep the disapproval rate below 12%.They will use a follow-up poll to assess the ad's
Effectiveness.

A) $H _ { 0 } : p = 0.12 , H _ { A } : p > 0.12$
B) $H _ { 0 } : p > 0.12 , H _ { A } : p = 0.12$
C) $H _ { 0 } : p > 0.12 , H _ { A } : p < 0.12$
D) $H _ { 0 } : p = 0.12 , H _ { A } : p < 0.12$
E) $H _ { 0 } : p < 0.12 , H _ { A } : p = 0.12$