Find the Margin of Error $\mathrm { n } = 10 , \overline { \mathrm { x } } = 12.8 , \mathrm {~s} = 4.9,95$

question 5

Multiple Choice

Find the margin of error.
- $\mathrm { n } = 10 , \overline { \mathrm { x } } = 12.8 , \mathrm {~s} = 4.9,95$ percent

• A) \(9.35 < \mu < 16.25\)
• B) \(9.96 < \mu < 15.64\)
• C) \(9.31 < \mu < 16.29\)
• D) \(9.29 < \mu < 16.31\)

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Definitions:

Electrical Motor

A device that converts electrical energy into mechanical energy, used in a multitude of applications from household appliances to industrial machinery.

Standard Labor-Hours

The predetermined amount of labor time estimated for the completion of a task or production of goods under normal conditions.

Machine-Hours

The total hours that machines are in operation during the production process, used as a basis for allocating manufacturing overhead.

Fixed Manufacturing Overhead

Costs associated with manufacturing that do not vary with the level of production, such as rent and salaries.