Based on a Sample of Size 49 , A $95 \%$

question 5

Multiple Choice

Based on a sample of size 49 , a $95 \%$ confidence interval for the mean score of all students, $\mu$ , on an aptitude test is from $59.2$ to $64.8$ . Find the margin of error.

• A) \(5.6\)
• B) \(0.78\)
• C) \(0.05\)
• D) \(2.8\)
• E) There is not enough information to find the margin of error.

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Definitions:

Highest IRR

The maximum internal rate of return, representing the most favorable potential annual return on an investment, adjusted for time value of money.

Internal Rate of Return

Internal Rate of Return (IRR) is a financial metric used to estimate the profitability of potential investments, representing the discount rate that makes the net present value (NPV) of all cash flows from a particular project equal to zero.

NPV

Net Present Value, a financial metric that calculates the difference between the present value of cash inflows and outflows over a period of time, used in capital budgeting to assess the profitability of an investment.

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