The Sum of the Various Values That a Random Variable

question 31

Multiple Choice

The sum of the various values that a random variable can take on multiplied by the associated probability is known as

• A) expected value
• B) mean
• C) weighted average
• D) All of the answers are correct

Recognize the importance of environmental factors and community infrastructure in disease prevention.

Understand the historical development of public health initiatives and their impact on community health.

Analyze the role of government and non-governmental organizations in the advancement of public health.

Identify key figures and their contributions to public health and nursing.

---

Definitions:

Ions

Charged particles that result when an atom or molecule gains or loses electrons, featuring positive or negative electrical charges.

Polar Solvent

A solvent with a dielectric constant greater than 15, which can dissolve ionic or polar solutes due to its polarity.

Ethylene Glycol

A toxic, colorless liquid with the formula C2H6O2, used primarily as an antifreeze in cooling and heating systems.