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 99% confident that the sample percentage is within 1.5 percentage points of the true population percentage. 1. Assume that nothing is known about the percentage of passengers who prefer aisle seats. ( Round to the nearest integer) 2. Assume that a prior survey that about 38% of air passengers prefer an aisle seat. (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 99% confident that the sample percentage is within 1.5 percentage points of the true population percentage. 1. Assume that nothing is known about the percentage of passengers who prefer aisle seats. ( Round to the nearest integer) 2. Assume that a prior survey that about 38% of air passengers prefer an aisle seat. (Round up to the nearest integer)

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 6E

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