Returns on Investment
An analysis of the stock market produces the following information about the returns of two stocks. 
Assume that the returns are positively correlated with correlation coefficient of 0.80.
-{Returns on Investment Narrative} Find the mean of the return on a portfolio consisting of an equal investment in each of the two stocks.
Definitions:
Coercive
Relating to or using force or threats to persuade someone to do something or to achieve compliance.
Uncommunicative
Lacking the willingness or ability to talk or share information.
Vulnerable
A state of being open to harm, damage, or exploitation due to a lack of protection or strength.
Balance of Probabilities
The standard of evidence in civil trials, where a case is decided in favor of the party whose claim is more likely to be true.
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