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 5.5 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= 224 (Round up to the nearest integer.) b. Assume that a prior survey suggests that about 38% of air passengers prefer an aisle seat. (Round up to the nearest integer.) SEM
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 5.5 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= 224 (Round up to the nearest integer.) b. Assume that a prior survey suggests that about 38% of air passengers prefer an aisle seat. (Round up to the nearest integer.) SEM
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 22PFA
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Please answer both subparts.
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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 5.5 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= 224
(Round up to the nearest integer.)
b. Assume that a prior survey suggests that about 38% of air passengers prefer an aisle seat.
(Round up to the nearest integer.)
SEM](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3f588a63-06ff-4a6e-9fb3-df2616fcabea%2F9e320889-aa3b-4094-bdc4-971670f120ac%2Fd12t8ps_processed.jpeg&w=3840&q=75)
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 5.5 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= 224
(Round up to the nearest integer.)
b. Assume that a prior survey suggests that about 38% of air passengers prefer an aisle seat.
(Round up to the nearest integer.)
SEM
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