# Humans are known to have a mean gestation period of 280

## Problem 50E Chapter 9.2

Applied Statistics and Probability for Engineers | 6th Edition

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Applied Statistics and Probability for Engineers | 6th Edition

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Problem 50E

Humans are known to have a mean gestation period of 280 days (from last menstruation) with a standard deviation of about 9 days. A hospital wondered whether there was any evidence that their patients were at risk for giving birth prematurely. In a random sample of 70 women, the average gestation time was 274.3 days.

(a) Is the alternative hypothesis one- or two-sided?

(b) Test the null hypothesis at α = 0.05.

(c) What is the P-value of the test statistic?

Step-by-Step Solution:
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Chapter 17 ~ Statement of Cash Flows As Robert Palmer’s lyrics in Simply Irresistible eloquently states, “there’s no telling where the money went.” And that’s the purpose of this chapter, to determine where the money came from and where it went.☺ The statement of cash flows reports the period’s: (1) cash receipts, (2) cash payments and (3) net change in cash resulting from...

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##### ISBN: 9781118539712

This textbook survival guide was created for the textbook: Applied Statistics and Probability for Engineers , edition: 6th. The answer to “Humans are known to have a mean gestation period of 280 days (from last menstruation) with a standard deviation of about 9 days. A hospital wondered whether there was any evidence that their patients were at risk for giving birth prematurely. In a random sample of 70 women, the average gestation time was 274.3 days.(a) Is the alternative hypothesis one- or two-sided?(b) Test the null hypothesis at ? = 0.05.(c) What is the P-value of the test statistic?” is broken down into a number of easy to follow steps, and 78 words. Applied Statistics and Probability for Engineers was written by Sieva Kozinsky and is associated to the ISBN: 9781118539712. The full step-by-step solution to problem: 50E from chapter: 9.2 was answered by Sieva Kozinsky, our top Statistics solution expert on 07/28/17, 07:57AM. Since the solution to 50E from 9.2 chapter was answered, more than 308 students have viewed the full step-by-step answer. This full solution covers the following key subjects: days, hypothesis, test, Gestation, null. This expansive textbook survival guide covers 97 chapters, and 2005 solutions.

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