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?r'-'-.ssume that you want to he 95% condent that the sample percentage is within 4.5 percentage points of the true population percentage. Complete parts {a} and [h] below. a. Assume that nothing is known about the percentage of passengers who prefer aisle seats. r1 = 4T5 [Round up to the nearest integer.) b. Assume that a prior survey suggests that about 35% of air passengers prefer an aisle seat. n=D [Round up to the nearest integer.)