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 2.5 percentage points of the true population percentage. Complete parts a and (b) below. a. Assume that nothing is known about the percentage of passengers who prefer aisle seats (Round up to the nearest integer.)

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