Use the Given Degree of Confidence and Sample Data to Construct

question 38

Multiple Choice

Use the given degree of confidence and sample data to construct a confidence interval for the population mean $\mu$ . Assume that the population has a normal distribution. $n = 30 , \bar { x } = 84.6 , s = 10.5,90 \%$ confidence

• A) \(79.32 < \mu < 89.88\)
• B) \(81.36 < \mu < 87.84\)
• C) \(81.34 < \mu < 87.86\)
• D) \(80.68 < \mu < 88.52\)

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Definitions:

Takeover Targets

Companies that are potential candidates for acquisition by other companies due to their attractive attributes or undervalued assets.

Profit-Maximizing Firms

Businesses that operate with the objective to produce the quantity of output that maximizes the difference between total revenue and total cost.

Perfectly Competitive Market

A market structure characterized by a large number of small firms, homogeneity of products, and free entry and exit, leading to optimal distribution of resources.

Market Demand

The combined amount of a product or service that every consumer in a market is prepared and capable of buying at different price points.