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duties as soldiers. The requirements at that time spe that a recruit must have "at least four sound double one above and one below on each side of the mouth how f ed Of the 58 feod

duties as soldiers. The requirements at that time spe that a recruit must have "at least four sound double one above and one below on each side of the mouth how f ed Of the 58 feod

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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they would be undernourished and unable to fulfill their duties as soldiers. The requirements at that time specified that a recruit must have "at least four sound double teeth, one above and one below on each side of the mouth, and so opposed" so that they could chew food. Of the 58,952 recruits who were under the age of 20, 68 were rejected for this reason. For the 43,786 recruits who were 40 or over, 3801 were rejected.2" (a) Find the proportion of rejects for each age group. (b) Find a 99% confidence interval for the difference in the proportions. (c) Use a significance test to compare the proportions. Write a short paragraph describing your results and conclusions. (d) Are the guidelines for the use of the large-sample approach satisfied for your work in parts (b) and (c)? Explain your answers. .
Transcribed Image Text:they would be undernourished and unable to fulfill their duties as soldiers. The requirements at that time specified that a recruit must have "at least four sound double teeth, one above and one below on each side of the mouth, and so opposed" so that they could chew food. Of the 58,952 recruits who were under the age of 20, 68 were rejected for this reason. For the 43,786 recruits who were 40 or over, 3801 were rejected.2" (a) Find the proportion of rejects for each age group. (b) Find a 99% confidence interval for the difference in the proportions. (c) Use a significance test to compare the proportions. Write a short paragraph describing your results and conclusions. (d) Are the guidelines for the use of the large-sample approach satisfied for your work in parts (b) and (c)? Explain your answers. .
8.40 Teeth and military service. In 1898 tite United States and Spain fought a war over the U.S. întervention in the Cuban War of Independence. At that time, the U.S. military was concerned about the 'nutrition of its recruits. Many did not have a sufficient number of teeth to chew the food provided to soldiers. As a result, it was likely that
Transcribed Image Text:8.40 Teeth and military service. In 1898 tite United States and Spain fought a war over the U.S. întervention in the Cuban War of Independence. At that time, the U.S. military was concerned about the 'nutrition of its recruits. Many did not have a sufficient number of teeth to chew the food provided to soldiers. As a result, it was likely that
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