In a Study of Factors Affecting Soldiers' Decisions to Reenlist,320 $[ 27.85$

question 101

Multiple Choice

In a study of factors affecting soldiers' decisions to reenlist,320 subjects were measured for an index of satisfaction.The sample mean is 28.8 and the sample standard deviation is 7.3.Use the given sample data to construct the 98 percent confidence interval for the population mean.

• A) \([ 27.85\)\( \quad\)\(29.75 ]\)
• B) \([ 27.96\)\( \quad\)\(29.64 ]\)
• C) \(\left[ \begin{array} { l l }
• 11.82 & 45.78
• \end{array} \right]\)
• D) \(\left[ \begin{array} { l l }
• 28.75 & 28.85
• \end{array} \right]\)
• E) \([ 28.60\)\( \quad\)\(29.00 ]\)

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Definitions:

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Refers to the trade of enslaved people within the borders of a country, notably within the United States before the Civil War, moving individuals primarily from the Upper South to the Deep South.