Suppose a Population Has a Mean of 400 and a Standard

question 67

Multiple Choice

Suppose a population has a mean of 400 and a standard deviation of 24.If a random sample of size 144 is drawn from the population,the probability of drawing a sample with a mean of more than 404.5 is _______.

• A) 0.0139
• B) 0.4861
• C) 0.4878
• D) 0.0122
• E) 0.5000

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Definitions:

Present Value

The current value of a future sum of money or stream of cash flows given a specified rate of return, accounting for time value of money.

Annual Cost Savings

The reduction in costs achieved during a specific year, often through efficiency improvements or expense cuts.

Combined Present Value

A method of evaluating the overall present value of multiple future cash flows by discounting them back to their present value at a specific discount rate.

Working Capital

The difference between a company's current assets and current liabilities, indicating the liquidity available to run its operations.