Find the Indicated Probability A Family Is Selected at Random

question 106

Multiple Choice

Find the indicated probability.
-A relative frequency distribution is given below for the size of families in one U.S. city.
$\begin{array} { l c } \text { Size } & \text { Relative frequency } \\\hline 2 & 0.402 \\3 & 0.242 \\4 & 0.209 \\5 & 0.098 \\6 & 0.029 \\7 + & 0.020\end{array}$
A family is selected at random. Find the probability that the size of the family is between 2 and 5 inclusive. Round your answer to three decimal places.

• A)0.951
• B)0.5
• C)0.853
• D)0.451

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Definitions:

Virginia Plan

Virginia’s delegation to the Constitutional Convention’s plan for a strong central government and a two-house legislature apportioned by population.

Two-House Legislature

A bicameral legislative system consisting of two separate chambers or houses, typically a lower house and an upper house, for the purpose of law-making.

Population

The number of individuals living in a specific area, region, or country at a given time.

Constitutional Convention

A formal assembly convened with the purpose of drafting, amending, or revising a constitution, such as the 1787 convention that drafted the Constitution of the United States.