Answer methods

A correct answer is 564.0, which can be typed in as follows: 564. 0 A poll of 428 home sellers found that 26.2% were trying to sell their home without a real estate agent. The margin of error for this poll was 3.5%. Find the approximate confidence level used by the pollsters. Answer: 90 % (Enter one of the following: 80, 90, 95, 98, 99) Your last answer was interpreted as follows: 90 Correct answer, well done. Correct. A correct answer is 90.0, which can be typed in as follows: 90. 0 on 7 An 80% confidence intervals for the proportion of first-year statistics students with brown hair is given to be (0.26, 0.45)