Answer:
53.57% is the correct answer.
Step-by-step explanation:
Probability (P) refers to the posibility or the chances of something to happen. To calculate the chances of selecting a boy, it is necessary to know the amount of students Mrs. Avery has, which is 28 (100%) and there are 15 boys in the group, that are equal to the 53.57% of the class (3.57% each boy.)