A Portfolio Manager Was Analyzing the Price-Earnings Ratio for This

question 79

True/False

A portfolio manager was analyzing the price-earnings ratio for this year's performance.His boss said that the average price-earnings ratio was 20 for the many stocks,which his firm had traded,but he felt that figure was too high.The portfolio manager randomly selected a sample of 50 P/E ratios and found a mean of 18.17 and standard deviation of 4.60.Assume that the population is normally distributed and test at the 0.01 level of significance.
The decision rule is: Reject H₀ if the calculated t > 2.68 or if t < -2.68.

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Definitions:

Net Present Value

The difference between the present value of cash inflows and the present value of cash outflows over a period, used in capital budgeting to analyze the profitability of an investment.

Default Probability

The likelihood that a debtor will fail to make required payments on their debt.

Monthly Interest Rate

The interest rate that is applied on a monthly basis to the principal of a loan or mortgage to calculate the monthly interest payment.

Net Present Value

A valuation method that calculates the present value of an investment's expected cash flows, minus the initial investment cost.