Question

-standard
the results were then presented to the owner in the following venn diagram.
how many students competed in smooth or rhythm, but not standard?
how many students did not compete in rhythm?
submit question

Explanation:

First Question: How many students competed in Smooth or Rhythm, but not Standard?

Step1: Identify regions for Smooth or Rhythm, not Standard

For Smooth only: 9; Rhythm only: 8; and the intersection of Smooth and Rhythm (not including Standard): 2.

Step2: Sum these regions

Sum = 9 + 8 + 2 = 19.

Step1: Identify regions not in Rhythm

Smooth only (9), Standard only (13), and the outside region (6), plus the intersection of Smooth and Standard (14).

Step2: Sum these regions

Sum = 9 + 14 + 13 + 6 = 42.

Answer:

19

Second Question: How many students did not compete in Rhythm?