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 find the percentage of the people surveyed who are adults, we can follow these steps:
1. Understand the Table: The relative frequency table shows the proportions of adults and children who can and cannot swim. It includes:
- Adults who can swim: 0.34
- Adults who cannot swim: 0.06
- Children who can swim and cannot swim are also represented but we focus on adults for this question.
2. Calculate the Total Relative Frequency for Adults:
- Add the relative frequencies for both adults who can swim and adults who cannot swim:
[tex]\[
0.34 + 0.06 = 0.40
\][/tex]
This 0.40 represents the proportion of adults in the survey.
3. Convert the Proportion to a Percentage:
- To find the percentage, multiply the relative frequency by 100:
[tex]\[
0.40 \times 100 = 40\%
\][/tex]
Therefore, 40% of the people surveyed are adults.
The correct answer is B. 40%.
1. Understand the Table: The relative frequency table shows the proportions of adults and children who can and cannot swim. It includes:
- Adults who can swim: 0.34
- Adults who cannot swim: 0.06
- Children who can swim and cannot swim are also represented but we focus on adults for this question.
2. Calculate the Total Relative Frequency for Adults:
- Add the relative frequencies for both adults who can swim and adults who cannot swim:
[tex]\[
0.34 + 0.06 = 0.40
\][/tex]
This 0.40 represents the proportion of adults in the survey.
3. Convert the Proportion to a Percentage:
- To find the percentage, multiply the relative frequency by 100:
[tex]\[
0.40 \times 100 = 40\%
\][/tex]
Therefore, 40% of the people surveyed are adults.
The correct answer is B. 40%.
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