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19:26 '7 ..II 4G E} AA 3 |earn.umuc.edu C); Quiz 7 x Est. Length: 2:00:00 Douglas Cobb: Attempt 1 The report of a sample survey of 1014 adults says, "with 95% condence, between 9% and 15% of all Americans expect to spend more on gifts this year than last year." What does the phrase "95% condence" mean? 0 9% to 15% of all Americans will spend 95% of what they spent last year. Q There is a 95% chance that the percent who expect to spend more is between 9% and 15%. O 95% of all Americans will spend between 9% and 15% more than what they spent last year. Q The method used to get the interval 9% to 15%, when used over and over again, produces intervals which include the true population proportion 95% of the time. Question 2 (7 points)