In June 2005, a CBS News/NY Times poll asked a random sample of 1111 U.S. adults the following question: "What

In June 2005, a CBS News/NY Times poll asked a random sample of 1111 U.S. adults the following question: "What do you think is the most important problem facing this country today?" Roughly 19% of those sampled answered "The war in Iraq" (while the rest answered "Economy/Jobs, Terrorism, Healthcare, etc."). Exactly a year prior to this poll, in June of 2004, it was estimated that roughly 1 out of every 4 U.S. adults believed (at that time) that the war in Iraq was the most important problem facing the U.S.





We would like to test whether the 2005 poll provides significant evidence that the proportion of U.S. adults who believe that the war in Iraq is the most important problem facing the U.S. has decreased since the prior poll.











The following output is available for this test:





The output indicates that: (choose the best answer)








(a) we have extremely strong evidence to reject Ho.





(b) we have extremely strong evidence to reject Ha.





(c) we have moderately strong evidence to r

In June 2005, a CBS News/NY Times poll asked a random sample of 1111 U.S. adults the following question: "What
it was 19% in 2005 who felt war was most important


it was 1 in 4 = 1/4 = .25 = 25% in 2004 who felt war was important.





It clearly decreased by 6% since the previous poll.





I don't know what Ho or Ha or r is.