It Is Estimated That the Mass of Bacteria and Fungi

question 64

Multiple Choice

It is estimated that the mass of bacteria and fungi in the top six inches of an acre of soil is

• A) 2 tons.
• B) 100 lbs.
• C) 10 tons.
• D) 500 lbs.
• E) 2 kilograms.

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Definitions:

Minimum-Variance Portfolio

A portfolio constructed to achieve the lowest possible risk (variance) for a given level of expected return, optimizing the risk-return tradeoff.

Expected Return

A financial term referring to the average amount of profit or loss an investment is predicted to generate based on historical data.

Rate of Return

The positive or negative change in an investment's worth, calculated as a percentage of its original cost.

Correlation Coefficient

A numerical measure of the linear correlation between two variables, ranging from -1 to 1.