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4th Edition

HEALEY + 1 other

Publisher: Cengage Learning,

ISBN: 9781305093836

Chapter 6, Problem 6.5P

To determine

**a.**

The 90% confidence interval for estimating the population mean.

To determine

**b.**

The 90% confidence interval for estimating the population mean.

To determine

**c.**

The 90% confidence interval for estimating the population mean.