You are the operations manager for an airline and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passengers must you​ survey? Assume that you want to be 99​% confident that the sample percentage is within 3.5 percentage points of the true population percentage.   a. Assume that nothing is known about the percentage of passengers who prefer aisle seats. n= ____ ​(Round up to the nearest​ integer.)   b. Assume that a prior survey suggests that about 33​% of air passengers prefer an aisle seat. n=____ ​(Round up to the nearest​ integer.)

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