Question

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 90​% confident that the sample percentage is within 3.5 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 34​% of air passengers prefer an aisle seat.

n=

​(Round up to the nearest​ integer.)

Answer 1

-----------------------------------------------------------------------------------------