SCENARIO 6-4 According to Investment Digest, the Arithmetic Mean of the Annual

question 57

Short Answer

SCENARIO 6-4
According to Investment Digest, the arithmetic mean of the annual return for common stocks over an
85-year period was 9.5% but the value of the variance was not mentioned.Also 25% of the annual returns were below 8% while 65% of the annual returns were between 8% and 11.5%.The article claimed that the distribution of annual return for common stocks was bell-shaped and approximately symmetric.Assume that this distribution is normal with the mean given above.Answer the following questions without the help of a calculator, statistical software or statistical table.
-Referring to Scenario 6-4, 75% of the annual returns will be lower than what value?

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Definitions:

Stagflation

A situation in an economy where inflation is high, economic growth slows, and unemployment remains steadily high.

Price Level

The price level is a measure of the average prices of goods and services in the economy, indicating the purchasing power of money.

Real Output

Measure of economic output adjusted for price changes; refers to the quantity of goods and services produced in an economy.

Stagflation

A situation in an economy where the inflation rate is high, economic growth rate slows, and unemployment remains steadily high.