An Apartment Building Has the Following Distribution of Apartments If an Apartment Is Selected at Random, What Is the

question 161

Multiple Choice

An apartment building has the following distribution of apartments:
$\begin{array}{llll} & \mathbf{1} \text { bedroom } & \underline{\text { 2 bedroom }} & \underline{\text { 3 bedroom }} \\\text { 1st floor } & 3 & 1 & 1 \\\text { 2nd floor } & 0 & 4 & 2 \\\text { 3rd floor } & 1 & 4 & 1\end{array}$
If an apartment is selected at random, what is the probability that it is not a 2 bedroom api on the 2nd floor?

• A) \(\frac { 4 } { 13 }\)
• B) \(\frac { 11 } { 13 }\)
• C) \(\frac { 13 } { 17 }\)
• D) \(\frac { 4 } { 9 }\)

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Definitions:

Correlation Coefficient

A statistical measure that calculates the strength and direction of a linear relationship between two variables on a scatterplot.

Numerical Index

A numerical representation or measurement, often used for comparing statistical data, assessing performance, or tracking changes over time.

Normally Distributed

Describes a statistical distribution where data points are symmetrically distributed around the mean, forming a bell-shaped curve.

Percentage

A portion of a whole expressed as a fraction of 100, used in quantifying proportions and ratios.