In a Survey Sponsored by Coca-Cola, Subjects Aged 15-65 Were

question 28

Essay

In a survey sponsored by Coca-Cola, subjects aged 15-65 were asked what contributes most to
their happiness. The table is based on their responses. Determine whether a probability
distribution is given and two reasons why or why not. $$\begin{array} { c | c } \begin{array} { c } \text { Contributes Most } \\\text { to Happiness }\end{array} & \boldsymbol { P } ( \boldsymbol { x } ) \\\hline \text { Family } & 0.77 \\\text { Friends } & 0.15 \\\text { Work/Study } & 0.08 \\\text { Leisure } & 0.08 \\\text { Music } & 0.06 \\\text { Sports } & 0.04\end{array}$$

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Definitions:

High-Speed Copy Machine

An office machine designed for rapid copying of documents and images, capable of producing numerous copies within a short period.

Ordinary Simple Interest

A method of calculating interest where the interest charge is computed only on the principal amount, without compounding over a specified time period.

360-Day Year

A financial convention that simplifies the calculation of interest by assuming a year has 360 days.

Retail Gift Stores

Commercial establishments focusing on selling various gift items including souvenirs, handmade crafts, and other unique products to customers.