THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING

question 89

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING:
An investor puts $15,000 into each of four stocks,labeled A,B,C,and D.The table shown below contains the means and standard deviations of the annual returns of these four stocks.

-Assuming that the returns of these four stocks are independent of each other,find the mean,and standard deviation of the total amount that this investor earns in one year from these four investments.

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Definitions:

Selection Bias

occurs when the sample is not representative of the population being studied, potentially leading to distorted conclusions.

Skin Cancer

Skin cancer is a form of cancer that originates in the cells of the skin, often due to overexposure to ultraviolet radiation from the sun or tanning devices, leading to abnormal cell growth.

Country Club Members

Individuals who have been granted membership to a country club, often involving various privileges such as access to golf courses, social events, and other amenities.

Selection Bias

A statistical bias that occurs when the sample is not representative of the population being studied, potentially leading to inaccurate conclusions.