Provide an Appropriate Response $90 \%$ Confidence Interval for the Population Mean

question 60

Multiple Choice

Provide an appropriate response.
-Construct a $90 \%$ confidence interval for the population mean, $\mu$ . Assume the population has a normal distribution. A sample of 15 randomly selected math majors has a grade point average of $2.86$ with a standard deviation of $0.78$ .

• A) \(( 2.51,3.21 )\)
• B) \(( 2.41,3.42 )\)
• C) \(( 2.37,3.56 )\)
• D) \(( 2.28,3.66 )\)

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