Use the Confidence Level and Sample Data to Find a Confidence

question 10

Multiple Choice

Use the confidence level and sample data to find a confidence interval for estimating the population µ. Round your answer to the same number of decimal places as the sample mean.
-Test scores: $\mathrm { n } = 104 , \overline { \mathrm { x } } = 95.3 , \sigma = 6.5 ; 99 \%$ confidence

• A) \(93.7 < \mu < 96.9\)
• B) \(93.8 < \mu < 96.8\)
• C) \(94.1 < \mu < 96.5\)
• D) \(94.2 < \mu < 96.4\)

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Definitions:

Predetermined Overhead Rate

A predetermined overhead rate is an estimated charge per unit of activity that is used to allocate indirect costs to products or services.

Assembly Department

A section of a manufacturing firm where products or components are assembled before final packaging or shipping.

Predetermined Overhead Rate

A rate used to apply manufacturing overhead to products or job orders, calculated before the period begins based on estimated costs and activity levels.

Direct Labor-Hours

Overall work duration of employees directly involved in the production process.