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.

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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a.  Round to the nearest percent. ____  %

     

 

___ % through  ____  %

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.
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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