A Researcher Wants to Estimate the Proportion of a Population

question 70

Multiple Choice

A researcher wants to estimate the proportion of a population which possesses a given characteristic.A random sample of size 250 is taken and 40% of the sample possesses the characteristic.The 95% confidence interval to estimate the population proportion is ___.

• A)0.35 to 0.45
• B)0.34 to 0.46
• C)0.37 to 0.43
• D)0.39 to 0.41
• E)0.40 to 0.42

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Definitions:

Indirect Expenses

Expenses that are not directly tied to the production of goods or services, such as administrative and marketing costs.

Contribution Margin

The amount remaining from sales revenue after variable costs are deducted, contributing to covering fixed costs and generating profit.

Contribution Margin

The amount remaining from sales revenue after all variable expenses have been deducted, indicating how much revenue is contributing to fixed costs and profits.

Indirect Expenses

Costs that are not directly traceable to a specific cost object, such as overhead costs for running the business.