=+d) For a given confidence level, a sample 9 times as large will make a margin of

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=+d) For a given confidence level, a sample 9 times as large will make a margin of error one third as big.

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Business Statistics Plus Pearson Mylab Statistics With Pearson Etext

ISBN: 978-1292243726

3rd Edition

Authors: Norean R Sharpe ,Richard D De Veaux ,Paul Velleman

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