The Table Below Is the Probability Table for a Random

question 12

Short Answer

The table below is the probability table for a random variable X. Find E(X), Var(X), and the standard deviation of X. $$\begin{array} { l | l l l l l } \text { Outcome } & 40 & 50 & 60 & 70 & 80 \\\hline \text { Probability } & 0.3 & 0.15 & 0.15 & 0.2 & 0.2\end{array}$$ Enter just three real numbers all rounded off to two decimal places: a, b, c representing the three quantities in the order requested above, separated by commas (no labels).

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Definitions:

Cultural Instruments

Tools or devices developed within specific cultural contexts used to produce music, art, or perform tasks that reflect the cultural heritage.

Collective

A group that shares or is motivated by at least one common issue or interest, or that works together to achieve a common objective.

Systemic

Pertaining to or affecting the entire body or an entire system, often used in the context of systemic issues like racism or inequality that pervade all levels of society.

Dominant Structures

Refers to the overarching systems and institutions in society that hold the most power and influence over societal norms, values, and policies.