Economic Stimulus. In a national poll, 1053 U.S. adults were asked, “As you may know, Congress is considering a new economic stimulus package of at least 800 billion dollars. Do you favor or oppose Congress passing this legislation?” Of those sampled, 548 favored passage.

a. At the 5% significance level, do the data provide sufficient evidence to conclude that a majority (more than 50%) of U.S. adults favored passage?

b. The headline on the website featuring the survey read, “In U.S., Slim Majority Supports Economic Stimulus Plan.” In view of your result from part (a), discuss why the headline might be misleading.

c. How could the headline be made more precise?