Answer:
A
Step-by-step explanation:
A is the procedure
You answer would be <span>Place 20 equally sized pieces of paper in a hat. Of the 20, 3 read "rotten," and the rest read "not rotten". i just took the test</span>
ANSWER
The number of children between the ages of 9 and 15 who visited the park is

EXPLANATION
The number of children between the ages of 9 and 15 who visited the park are those within the age group 9 to 12 and 12 to 15.
We can from the graph that, the height of the bar that corresponds to the age group 9 to 12

and the height of the bar that corresponds to the age group 12 to 15

The sum of the two frequencies