We appreciate your visit to 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. This page offers clear insights and highlights the essential aspects of the topic. Our goal is to provide a helpful and engaging learning experience. Explore the content and find the answers you need!
Answer :
To solve the problem, we follow these steps:
1. The table shows that the relative frequency of adults who cannot swim is $0.06$, which means that out of the entire survey, $6\%$ of the people are adults who cannot swim.
2. Similarly, the relative frequency of children who cannot swim is $0.12$, so $12\%$ of the entire survey are children who cannot swim.
3. To find the percentage of all the people surveyed who cannot swim, we add the two relative frequencies:
$$
0.06 + 0.12 = 0.18
$$
This result represents the overall relative frequency.
4. Finally, to convert the relative frequency to a percentage, we multiply by $100$:
$$
0.18 \times 100 = 18\%
$$
Thus, the percentage of people surveyed who cannot swim is $\boxed{18\%}$.
1. The table shows that the relative frequency of adults who cannot swim is $0.06$, which means that out of the entire survey, $6\%$ of the people are adults who cannot swim.
2. Similarly, the relative frequency of children who cannot swim is $0.12$, so $12\%$ of the entire survey are children who cannot swim.
3. To find the percentage of all the people surveyed who cannot swim, we add the two relative frequencies:
$$
0.06 + 0.12 = 0.18
$$
This result represents the overall relative frequency.
4. Finally, to convert the relative frequency to a percentage, we multiply by $100$:
$$
0.18 \times 100 = 18\%
$$
Thus, the percentage of people surveyed who cannot swim is $\boxed{18\%}$.
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