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

question 127

Short Answer

SCENARIO 6-6
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 6-6,10% of the annual returns will be at least what amount?

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Truck

A motor vehicle designed to transport cargo or goods.

Comparative Advantage

The ability of an entity to produce a good or service at a lower opportunity cost than its competitors, leading to more efficient trade.

Absolute Advantage

The capability of a country, entity, or individual to produce a good or service more efficiently than competitors, using fewer resources.

Cars

Motor vehicles with four wheels typically used for transportation of people rather than goods.