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 1.5 percentage points of the true population percentage.
a. assume that nothing is known about the percentage of passengers who prefer aisle seats.
n=
b. assume that a prior survey suggests that about 38% of air passengers prefer an aisle seat.
n=