Answer
0.8752
Work Step by Step
$\hat{p}$ is the number of objects with a specified value divided by the sample size. Hence $\hat{p}=\frac{x}{n}=\frac{347+305}{386+359}=0.8752.$
Essentials of Statistics (5th Edition)
by Triola, Mario F.
Published by
Pearson
ISBN 10:
0-32192-459-2
ISBN 13:
978-0-32192-459-9
Chapter 9 - Inferences from Two Samples - Review - Chapter Quick Quiz - Page 471: 2
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