bb-montgomerycollege.blackboard.com C My Classes - montgomerycollege edu Test 3- 202220 -MATH-117-22477 Take Test: Tes Remaining Time: 59 minutes, 54 seconds. Question Completion Status: We would like to test whether the 2018 poll provides significant evidence that the proportion of U.S. adults who believe that the economy is the most important problem facing the U.S. has decreased since the prior poll. Which of the following are the appropriate hypotheses in this case? O Ho: P = 0.20 Ha: p 0.20 O Ho: P = 0.15 Ha : p > 0.15 O Ho: P = 0.15 Ha: p # 0.15