14. 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 4.5 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 33% of air passengers prefer an aisle seat. n= (Round up to the nearest integer.)

MATLAB: An Introduction with Applications
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14. 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 4.5 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 33% of air passengers prefer an aisle seat.
n=
(Round up to the nearest integer.)
Transcribed Image Text:14. 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 4.5 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 33% of air passengers prefer an aisle seat. n= (Round up to the nearest integer.)
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