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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.

Can swim

Cannot swim

Total

0.34

Adults

Children

0.06

0.48

0.12

Total

What percentage of the people surveyed can swim?

O A. 18%

B. 82%

C. 48%

D. 34%

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

Answer :

Answer:

B - 82%

Step-by-step explanation:

.34+.48

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Rewritten by : Barada

The percentage of people who can swim is 82%.

Option B is the correct answer.

What is a percentage?

The percentage means the required value out of 100.

It is calculated by dividing the required value by the total value and multiplying it by 100.

The percentage change is also calculated using the same method.

In percentage change, we find the difference between the values given.

Example:

Required percentage value = a

total value = b

Percentage = a/b x 100

We have,

The relative frequency table shows the proportion of people in each group who can and cannot swim.

To find the percentage of people who can swim, we need to add up the proportion of adults who can swim (0.34) and the proportion of children who can swim (0.48).

Percentage of people who can swim

= (0.34 + 0.48) x 100%

= 82%

Therefore,

The percentage of people who can swim is 82%.

Learn more about percentages here:

https://brainly.com/question/11403063

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