A) 167
B) 2

question 86

Multiple Choice

$$\begin{array}{l}\text { Find the mean of the distribution shown below. }\\\begin{array} { l | c c c } \boldsymbol { X } & 2 & 3 & 4 \\\hline \boldsymbol { P } ( \boldsymbol { X } ) & 0.26 & 0.31 & 0.43\end{array}\end{array}$$

• A) 1.67
• B) 2.17
• C) 3.17
• D) 2.67

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Definitions:

Solar System

The Sun, its eight planets, and other celestial bodies that orbit the Sun.

Asteroids

Small rocky bodies orbiting the sun, primarily found in the asteroid belt between Mars and Jupiter.

Gravity

Gravity is a natural phenomenon by which all things with mass or energy—including planets, stars, galaxies, and even light—are brought toward (or gravitate toward) one another.

Tides

The periodic rise and fall of sea levels caused by the gravitational attraction of the moon and the sun acting upon the earth.