A Drawer Has 10 Red Socks and 10 Blue Socks

question 20

Multiple Choice

A drawer has 10 red socks and 10 blue socks. If 3 socks are selected from the drawer, without replacement, what is the probability that they will all be the same color?

• A) 0.3000
• B) 0.0225
• C) 0.1500
• D) 0.2105
• E) 0.1667

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Definitions:

Coefficient Of Determination

The Coefficient of Determination, denoted as R², measures the proportion of the variance in the dependent variable that is predictable from the independent variable(s).

Dependent Variable

A variable in an experiment or model that is expected to change in response to changes in independent variable(s).

Independent Variable

A variable that is manipulated or categorized in an experiment or study to observe its effect on a dependent variable.

Estimated Regression Equation

A formula that models the relationship between dependent and independent variables, predicting the dependent variable's values.