X Has the Probability Distribution $\begin{array} { c c } \mathrm { X } & \mathrm { P } ( \mathrm { X } ) \\- 1 & .2 \\0 & .3 \\1 & .5\end{array}$

question 118

Multiple Choice

X has the probability distribution: $\begin{array} { c c } \mathrm { X } & \mathrm { P } ( \mathrm { X } ) \\- 1 & .2 \\0 & .3 \\1 & .5\end{array}$
Compute the expected value of X.

• A)1.0
• B)0.3
• C)0.7
• D)0.5

---

Definitions:

Salinization

The process by which water-soluble salts accumulate in the soil, often as a result of improper irrigation practices, leading to soil degradation and reduced agricultural productivity.

Pollutes

Introduces contaminants into a natural environment, causing harm or discomfort to organisms and ecosystems.

Pollution Cleanup

The process of removing contaminants, toxins, and other harmful substances from the environment, typically involving remediation technologies and strategies to restore polluted sites.

Environmental Transfer

The movement of contaminants or pollutants from one environmental medium, such as air or water, to another, often affecting ecosystems and human health.