Gym Visits
Let X Represent the Number of Times a Student

question 178

Essay

Gym Visits
Let X represent the number of times a student visits a gym in a one month period.Assume that the probability distribution of X is as follows:
$$\begin{array} { | c | c c c c | } \hline \boldsymbol { x } & 0 & 1 & 2 & 3 \\\hline \boldsymbol { p } ( \boldsymbol { x } ) & 0.05 & 0.25 & 0.50 & 0.20 \\\hline\end{array}$$
-{Gym Visits Narrative} Find the mean $\mu$ and the standard deviation $\sigma$ of this distribution.

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Definitions:

Latin America

A region in the Western Hemisphere comprising countries where Romance languages—primarily Spanish and Portuguese, alongside French—are predominantly spoken.

Alliance For Progress

An initiative launched by U.S. President John F. Kennedy in 1961 aimed at establishing economic cooperation between the U.S. and Latin America.

Economic Aid

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Military Alliances

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