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

question 78

Multiple Choice

Provide an appropriate response.
-Construct a $90 \%$ confidence interval for the population mean, $\mu$ . Assume the population has a normal distribution. In a recent study of 22 eighth graders, the mean number of hours per week that they played video games was $19.6$ with a standard deviation of $5.8$ hours.

• A) \(( 17.47,21.73 )\)
• B) \(( 18.63,20.89 )\)
• C) \(( 5.87,7.98 )\)
• D) \(( 19.62,23.12 )\)

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