Elementary Statistics (12th Edition)

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

Chapter 7 - Estimates and Sample Sizes - 7-3 Estimating a Population Mean - Basic Skills and Concepts - Page 355: 1

Answer

a. 233.4 sec < $\mu$ < 256.65 sec b. Best point estimate of m is 245.025 sec. The margin of error is E = 11.625 sec.

Work Step by Step

a. 233.4 sec < $\mu$ < 256.65 sec b. Best point estimate of m is 245.025 sec. The margin of error is E = 11.625 sec.
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