Elementary Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321836960
ISBN 13: 978-0-32183-696-0

Chapter 7 - Estimates and Sample Sizes - 7-2 Estimating a Population Proportion - Basic Skills and Concepts - Page 337: 3


$\hat{p}=$ 0.26 $\hat{q}=0.74$ n=1910 E=0.03 p is unknown $\alpha=0.05$

Work Step by Step

$\hat{p}$ is the sample proportion, which is 0.26 $\hat{q}=1-\hat{p}$ which is 0.74 n is the sample size, which is 1910 E is the margin of error, which is 0.03 p is the population proportion, which we don't know $\alpha=1-confidence \ level$, which is 0.05
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