Let X Represent the Number of Computers in an Australian $$\begin{array} { c | c c c c c } x & 1 & 2 & 3 & 4 & 5 \\\hline p ( x ) & .25 & .33 & .17 & .15 & .10\end{array}$$

question 39

Essay

Let X represent the number of computers in an Australian household, for those that own a computer. $$\begin{array} { c | c c c c c } x & 1 & 2 & 3 & 4 & 5 \\\hline p ( x ) & .25 & .33 & .17 & .15 & .10\end{array}$$ a. Find and interpret the expected number of computers in a randomly selected Australian household.
b. Find the variance of the number of computers in a randomly selected Australian household.

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Definitions:

Antitrust Law

Legislation enacted to prevent monopolies and promote competition, ensuring fair practices in the marketplace.

Market Shares

The portion of a market controlled by a particular company or product, often expressed as a percentage of total sales in the industry.

Antitrust Cases

Legal actions taken by government entities to prevent or reduce monopolies and maintain competition within markets.

Federal Trade Commission

A federal agency established to promote consumer protection and the elimination and prevention of anticompetitive business practices.