A) 39
B) 2

question 50

Multiple Choice

$$\begin{array}{l}\text { What is the standard deviation of the following probability distribution? }\\\begin{array} { l | c c c c c } \boldsymbol { X } & 0 & 2 & 4 & 6 & 8 \\\hline \boldsymbol { P } ( \boldsymbol { X } ) & 0.20 & 0.05 & 0.35 & 0.25 & 0.15\end{array}\end{array}$$

• A) 3.9
• B) 2.6
• C) 4.7
• D) 5.4

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Definitions:

Star Anise

An aromatic spice that comes from the fruit of the Illicium verum tree, characterized by its star shape and licorice-like flavor.

Economically Important

Referring to plants, animals, or minerals that have considerable value or significance to human economies.

Cycads

Ancient seed plants with a large crown of compound leaves and a stout trunk, often mistaken for palms or tree ferns.

Ginkgo

A member of an ancient gymnosperm group that consists of a single living representative (Ginkgo biloba), a hardy, deciduous tree with broad, fan-shaped leaves and naked, fleshy seeds (on female trees)