A Discrete Random Variable X Can Assume Five Possible Values

question 121

Multiple Choice

A discrete random variable x can assume five possible values: 2, 3, 5, 8, 10. Its probability distribution is shown below. Find the mean of the distribution. $$\begin{array} { c | c c c c c } \mathrm { x } & 2 & 3 & 5 & 8 & 10 \\\hline \mathrm { p } ( \mathrm { x } ) & 0.10 & 0.20 & 0.30 & 0.30 & 0.10\end{array}$$

• A) 5.0
• B) 5.5
• C) 5.7
• D) 5.6

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Definitions:

Auguste Comte

Known as the father of sociology, he was a French philosopher who advocated for the scientific study of society and the development of sociology as a distinct academic discipline.

Sociology

The study of the development, structure, and functioning of human society, including social relationships, institutions, and cultures.

Interviews

A method of collecting information through direct conversation, often used for research, job applications, or media.

Surveys

A research method that involves collecting data from a sample of individuals through their responses to questions, used to gather information on opinions, behaviors, or characteristics.