The Ages of MBA Students at a University Are Normally

question 43

Multiple Choice

The ages of MBA students at a university are normally distributed with a known population variance of 10.24. Suppose you are asked to construct a 95% confidence interval for the population mean age if the mean of a sample of 36 students is 26.5 years. If a 99% confidence interval is constructed instead of a 95% confidence interval for the population mean, then ________.

• A) the resulting margin of error will increase and the risk of reporting an incorrect interval will increase
• B) the resulting margin of error will decrease and the risk of reporting an incorrect interval will increase
• C) the resulting margin of error will increase and the risk of reporting an incorrect interval will decrease
• D) the resulting margin of error will decrease and the risk of reporting an incorrect interval will decrease

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Definitions:

Chocolate Factory

A manufacturing establishment dedicated to the production of chocolate products from raw cacao beans or pre-made cocoa mass.

Manufacturing Overhead

All manufacturing costs that are not directly attributable to a specific product, including indirect materials, indirect labor, and other indirect costs.

Depreciation Factory Building

This term relates to the allocation of the cost of a factory building over its useful life, reflecting its consumption and loss of value over time.

Direct Materials Used

Direct materials used are raw materials that are directly incorporated into a finished product and can be directly associated with the product.