From a Population of Size 600, a Simple Random Sample

question 34

Multiple Choice

From a population of size 600, a simple random sample of size 60 is selected. The sample mean is 400, and the sample standard deviation is 50. An approximate 95% confidence interval for the population mean is

• A) 395 to 405
• B) 380 to 420
• C) 360 to 440
• D) 388 to 412

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Definitions:

Hard Rationing

A situation where companies cannot obtain funds for projects despite having positive net present values due to external financing constraints.

Capital Funds

Financial resources that are used to fund a company's operations and growth, typically sourced from equity or debt.

Net Present Value

A method to evaluate the profitability of an investment by calculating the difference between the present value of cash inflows and outflows over a period.

Variable Costs

Expenses that fluctuate in direct proportion to the quantity of output or sales, including items like labor and materials.