Question

Making an inference using a two-way frequency table A group of 200 adults were asked whether they exercise and whether they are vegetarian. Their responses are summarized in the following table.

Answer 1

Given:

Total adults=200

Total vegetarian who exercise=35

Total vegetarian who don"t exercise=25

Total non-vegetarian who exercise=77

Total non-vegetarian who don't exercise=63

To find:

percentage of given data

Step-by-step explanation:

((Required percentage of the data)/Total data)*100

Step:1

To find the percentage of the adults who exercise=((Total adult who exercise)/Total adult)*100

=((35+77)/200)*100

=56%

Step:2

To find the percentage of the adults who are non vegetarian=((Total non veg adults)/Total adult)*100

=((77+63)/200)*100

=70%

Step:3

To find the percentage of the adults who are non vegetarian exercise=((Total not vegetarian exercise)/Total adults)*100

=(77/200)*100

=38.5%

Step:4

Option c is correct

This is our required answer.

Final answer=56%, 70%, 38.5%, option c