You would like to design a poll to determine what percent of your peers volunteer for charities. You have no clear idea of what the value of p is going to be like, and you'll be satisfied with the 90% margin of error equal to +10%. Find the sample size needed for your study.

You would like to design a poll to determine what percent of your peers volunteer for charities. You have no clear idea of what the value of p is going to be like, and you'll be satisfied with the 90% margin of error equal to +10%. Find the sample size needed for your study.

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015

1st Edition

ISBN:9781680331141

Author:HOUGHTON MIFFLIN HARCOURT

Publisher:HOUGHTON MIFFLIN HARCOURT

Chapter11: Data Analysis And Displays

Section: Chapter Questions

Problem 3CR

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Question

You would like to design a poll to determine what percent of your peers
volunteer for charities. You have no clear idea of what the value of p
is going to be like, and you'll be satisfied with the 90% margin of error
equal to +10%. Find the sample size needed for your study.

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