Determine Whether the Following Is a Probability Distribution

question 4

Essay

Determine whether the following is a probability distribution. If not, identify the requirement that is not satisfied.
$\begin{array} { c | c } \boldsymbol { x } & \boldsymbol { P } ( \boldsymbol { x } ) \\\hline 0 & 0.109 \\1 & 0.208 \\2 & 0.246 \\3 & 0.159 \\4 & 0.096 \\5 & 0.228\end{array}$

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Definitions:

Underextending

The cognitive error where a child applies a word too narrowly, limiting its use to a single object instead of to all objects that belong to a particular category.

Waving Bye-Bye

A common gestural action to express departure or farewell, often one of the first communicative gestures learned by infants.

Underextension

A language development error in which a child applies a word too narrowly, failing to include objects or events that the word should apply to.

Gestures

Movements of the body, especially the hands and arms, that express ideas or feelings.