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 95% confident that the sample percentage is within 1:5 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 n (Round up to the nearest integer.) b. Assume that a prior survey suggests that about 35% of air passengers prefer an aisle seat n= (Round up to the nearest integer.)