27. VACATION SURVEY In a survey of 439 teenagers in the United States, 14% said that they worked during their summer vacation. a. What is the margin of error for the survey? b. Give an interval that is likely to contain the exact percent of all U.S. teenagers who worked during their summer vacation.
27. VACATION SURVEY In a survey of 439 teenagers in the United States, 14% said that they worked during their summer vacation. a. What is the margin of error for the survey? b. Give an interval that is likely to contain the exact percent of all U.S. teenagers who worked during their summer vacation.
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 3E
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a. Round to the nearest percent. ____ %
___ % through ____ %
Transcribed Image Text:27. VACATION SURVEY In a survey of 439 teenagers in the United States, 14%
said that they worked during their summer vacation.
a. What is the margin of error for the survey?
b. Give an interval that is likely to contain the exact percent of all U.S.
teenagers who worked during their summer vacation.
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