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A small town surveyed 250 adults, 180 of whom were parents, about whether a park should be expanded. The results showed that 150 of the adults who were parents and 40 of the adults who err not parent’s thought the park should be expanded.

2 Answers

6 votes

The surveyed parents favor park extension, and two way table is a way or representation of data. and The two-way table is completed as,

yes no

parents 150 | 30

|

not parents 40 | 30

The two-way table shown in the table is attached below.

What is two way table?

Two-way table is a way of representing of data to better understand it.

Given information-

The total number of adults took the survey is 250.

Total number of parents took the survey is 180.

150 of the adults with children and 40 of those without thought the park should be expanded.

Suppose the number of adults who are not the parents and took the survey is .

As the total number of adults took the survey is 250 in which the number of parents took the survey is 180. Thus the number of adults who are not the parents and took the survey is,

Suppose the parents who does not thing that the park should be expanded is .

There is total 180 parents. As 150 of the adults with children thought the park should be expanded. Thus, the parents who does not thing that the park should be expanded is,

Form the 70 adults who are not parents things that park should be expanded is 40, hence the adults who are not parents does not thing the park should be expanded is (70-40) which is 30.

Hence the two way table is completed as,

yes no

parents 150 | 30

|

not parents 40 | 30

the two way

YES NO

30

30

(parents 150

not parents_40

User Bobmarksie
by
6.9k points
2 votes

Answer: In this exercise we have to calculate the values ​​of the people who voted to expand the parking lot, so we have to:

Yes: parents will be 150 and not parents 40

No; parents will be 40 and not parents 30

As it is about sets, we have to use the data that were:

total: 250 adults

180 of whom were parents a park should be expanded.

40 of the adults who were not parents thought the park should be expanded.

then calculate that:

Explanation:

User Rholmes
by
7.9k points