3rd Edition

ISBN: 9780135190210

Author: Gould

Publisher: PEARSON CO

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Textbook Question

Chapter 9, Problem 29SE

Men’s Pulse Rates (Example 10) A random sample of 25 men’s resting pulse rates shows a mean of 72 beats per minute and a standard deviation of 13.

a. Find a 95 % confidence interval for the population mean pulse rate for men, and report it in a sentence. You may use the table given for Exercise 9.25 .

b. Find a 99 % confidence interval.

c. Which interval is wider, and why?

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Chapter 9, Problem 28SE

Chapter 9, Problem 30SE

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Chapter 9 Solutions

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Solution Summary: The author determines the 95% confidence interval for the population mean of men resting pulse rate, using the table from 9.25.

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