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 37% of air passengers prefer an aisle seat. n=____ (Round up to the nearest integer.)
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 37% of air passengers prefer an aisle seat. n=____ (Round up to the nearest integer.)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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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 37% of air passengers prefer an aisle seat.
n=____ (Round up to the nearest integer.)
Transcribed Image Text: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 37% of air passengers prefer an aisle seat.
n=|
(Round up to the nearest integer.)
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