a survey was conducted at a local ballroom dance studio asking students if they had ever competed in the…

a survey was conducted at a local ballroom dance studio asking students if they had ever competed in the following dance categories: - smooth - rhythm - 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? question help: video message instructor
Answer
Explanation:
Step1: Calculate students competed in Smooth or Rhythm, but not Standard
Students in Smooth only: (8) Students in Rhythm only: (4) Students in Smooth and Rhythm only: (7) Sum: (8 + 4+7=19)
Step2: Calculate students did not compete in Rhythm
Total students in all categories: (8 + 7+4 + 15+13+14+5=66) Students in Rhythm (including overlaps): (7 + 4+13=24) Students not in Rhythm: (66 - 24=42)
Answer:
19 42