The Total Number of Stars in the Observable Universe Is

question 103

Multiple Choice

The total number of stars in the observable universe is about

• A)100 billion.
• B)the same as the number of grains of sand in a school sandbox.
• C)the same as the number of grains of sand on all the beaches on Earth.
• D)the same as the number of atoms that make up the Earth.

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Definitions:

Beta

An index for assessing the variation or inherent risk of a security or a portfolio as compared to the aggregate market.

Sharpe Measure

A metric used to evaluate the risk-adjusted return of an investment, calculating the difference between the returns of the investment and the risk-free rate, divided by the standard deviation of the investment’s returns.

Beta

A criterion for quantifying the instability or systematic risk of a security or a portfolio in contrast to the market as a whole.

Treynor Measure

A performance metric for determining how well an investment compensates the investor for taking a risk, adjusted for the risk-free rate.