21. A survey of 54 high school athletes collected the following data: a) b) c) Team Number of Athletes Basketball 25 Volleyball 19 Football 32 Both basketball and volleyball 10 Both basketball and football 8 Both volleyball and football All three teams 12 8 Draw a Venn diagram to illustrate the above data. Determine the probability that a randomly selected athlete from this sample will play either football or volleyball. Explain three factors, in rank order, that you believe would influence why the number of students are playing those sports?