A Sample Is Used to Obtain a 95% Confidence Interval

question 75

True/False

A sample is used to obtain a 95% confidence interval for the mean of a population.The confidence interval goes from 15 to 19.If the same sample had been used to test the null hypothesis that the mean of the population is equal to 20 versus the alternative hypothesis that the mean of the population differs from 20,the null hypothesis could be rejected at a level of significance of 0.02.

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Definitions:

Annual Net Cash Flows

The total amount of cash generated or spent by a business in a given year after all expenses and revenues.

Internal Rate of Return

A method used in capital budgeting to estimate the profitability of potential investments, calculated as the rate of return where the net present value of all cash flows is zero.

Present Value of Annuity

The current worth of a series of future cash flows, adjusted for interest, often used in calculating loans and investments.

Rate of Return on Investment

A measure of the profitability of an investment, calculated as a percentage of the original investment.