Compute the Mean of the Random Variable with the Given $\begin{array} { c l } \hline x & P ( x ) \\\hline 0 & 0.2 \\10 & 0.2 \\25 & 0.4 \\30 & 0.2 \\\hline\end{array}$

question 13

Multiple Choice

Compute the mean of the random variable with the given discrete probability distribution.
$\begin{array} { c l } \hline x & P ( x ) \\\hline 0 & 0.2 \\10 & 0.2 \\25 & 0.4 \\30 & 0.2 \\\hline\end{array}$

• A)16.25
• B)11.2
• C)126.0
• D)18

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Definitions:

Rating Scales

Scales developed to assess any of a number of attributes of the examinee. Can be rated by the examinee or someone who knows the examinee well. Some commonly used rating scales include numerical scales, Likert-type scales (graphic scales), semantic differential scales, and rank-order scales. A type of informal assessment.

Psychopathology

The study of psychological disorders, including their symptoms, etiology (causes), and treatment.

Treatment Planning

The process of creating a structured approach to therapy, outlining goals, methods, and timing, tailored to the needs of an individual or group.

Personality Orientation

Refers to an individual's characteristic pattern of attitudes, behaviors, and emotions, which constitutes their unique personality.