High School

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In a survey, 250 adults and children were asked whether they know how to swim. The survey data are shown in the relative frequency table.

[tex]
\[
\begin{tabular}{|l|l|l|l|}
\hline
& \text{Can Swim} & \text{Cannot Swim} & \text{Total} \\
\hline
\text{Adults} & 0.13 & 0.06 & \\
\hline
\text{Children} & 0.45 & 0.12 & \\
\hline
\text{Total} & & & \\
\hline
\end{tabular}
\]
[/tex]

What percentage of the people surveyed cannot swim?

A. [tex]$18 \%$[/tex]
B. [tex]$6 \%$[/tex]
C. [tex]$12 \%$[/tex]
D. [tex]$40 \%$[/tex]

Answer :

We are given the relative frequencies for the groups who cannot swim:

1. For the first group, the relative frequency is [tex]$0.06$[/tex], which corresponds to [tex]$6\%$[/tex].
2. For the second group, the relative frequency is [tex]$0.12$[/tex], which corresponds to [tex]$12\%$[/tex].

Since the survey includes both groups, the total percentage of people who cannot swim is the sum of these percentages:

[tex]$$
\text{Total percentage} = 6\% + 12\% = 18\%
$$[/tex]

Thus, the percentage of people surveyed who cannot swim is [tex]$18\%$[/tex].

Thanks for taking the time to read In a survey 250 adults and children were asked whether they know how to swim The survey data are shown in the relative frequency table. We hope the insights shared have been valuable and enhanced your understanding of the topic. Don�t hesitate to browse our website for more informative and engaging content!

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