Use the Following Sample Data for the Following Questions

question 36

Short Answer

Use the following sample data for the following questions. Biologists studying
the re-vegetation of two species of succulent plants in the South African desert
examined the number of plants that survived depending on whether they were
planted in multi-species clumps or planted alone. The following data resulted:

-If two different surviving plants are randomly selected, find the probability that they both were planted alone.

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Definitions:

Standard Deviation

A measure of the dispersion or variability in a set of values, often used to quantify the risk of investment returns.

Volatility Level

A statistical measure of the dispersion of returns for a given security or market index, often associated with the degree of risk.

Bell Curve

A graphical depiction of a normal probability distribution, characterized by a symmetrical bell-shaped curve.

Risk Premium

The extra return expected by investors for holding a risky asset over a risk-free one, compensating for the higher risk.