If X and Y Are Random Variables,the Sum of All

question 261

Multiple Choice

If X and Y are random variables,the sum of all the conditional probabilities of X given a specific value of Y will always be:

• A)0.0
• B)1.0
• C)the average of the possible values of X.
• D)the average of the possible values of Y.

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Definitions:

Portfolio

An assortment of financial assets including stocks, bonds, and commodities, as well as cash and near-cash items like mutual funds and ETFs.

Sharpe Ratio

Reward-to-volatility ratio; ratio of excess return to portfolio standard deviation.

Standard Deviation

Standard Deviation is a measure of the dispersion or variability of a set of data points or investment returns around the mean.

Returns

The profit or loss derived from an investment over a particular period, usually expressed as a percentage.