Find the Specified Conditional or Marginal Distribution for the Given $65 \%$

question 66

Multiple Choice

Find the specified conditional or marginal distribution for the given contingency table. Round to the nearest tenth of apercent if needed.
-During a poll, 129 people were randomly selected and asked their political party affiliation. The contingency table below shows the results cross classified by political party affiliation and sex.
Find the marginal distribution of political party affiliation.

• A)Democrats: \(65 \%\); Republicans: \(46.9 \%\); Other: \(52.5 \%\)
• B) Democrats: \(31 \%\); Republicans: \(38 \%\); Other: \(31 \%\)
• C) Men: 54.3\% ; Women: \(45.7 \%\)
• D) Democrats: \(23.7 \%\); Republicans: \(44.1 \%\); Other: \(32.2 \%\)

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Definitions:

Cost of Capital

The rate of return a company must offer investors to entice them to invest, reflecting the risk of the investment alongside the return.

IRR

An economic indicator, the Internal Rate of Return is utilized to assess the possible profitability of investment opportunities.

NPV

Net Present Value; a method used in capital budgeting to evaluate the profitability of an investment or project, calculated by summing the present values of incoming and outgoing cash flows.

Preferred Stock

A security that pays a constant dividend forever. A hybrid between debt and common equity.