10.What crucial information is missing from the following "sound bite"? CNN reports on a Zagat survey of America's top restaurants, which fund that "only 9 restaurants achieved a rare 29 out of a possible 30 rating, and none of these restaurants are in the Big Apple."

1.In a Harris Interactive survey of 1006 adults, 86% say that they wash their hands after using a public restroom; the margin of error is 3 percentage points. USA Today reported that among 6028 adults observed in restrooms, 85% washed their hands; the margin of error is 1 percentage point. Use the given statistics and margin of error to identify the confidence interval for each study. Which study do you believe, and why?