Find the Specified Conditional or Marginal Distribution for the Given $44.4 \%$

question 72

Multiple Choice

Find the specified conditional or marginal distribution for the given contingency table. Round to the nearest tenth of apercent if needed.
-The contingency table below shows the income level for a random sample of adults cross classified by sex.
Find the marginal distribution of the variable "income bracket".

• A)Low: \(44.4 \%\); Middle: \(45.7 \%\); High: 46.7\%
• B) Low: \(47 \%\); Middle: \(40 \%\); High: \(13 \%\)
• C) Male: \(45.2 \%\); Female: \(54.8 \%\)
• D) Low: \(47.6 \%\); Middle: \(39.7 \%\); High: \(12.7 \%\)

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Definitions:

Nondiversifiable Risk

A type of investment risk that is systematic and affects all companies or investments within an entire market.

Systematic Risk

The inherent risk associated with the entire market or market segment that cannot be eliminated through diversification.

Variance

A statistical measurement that represents the dispersion of a dataset relative to its mean, used to quantify the spread of data points.

Regression

A statistical method for estimating the relationships among variables, often used for prediction and forecasting in finance.