This really isn't a question. I can help you out with writing one.
John randomly selected 45% of seventh grade students in his school and asked them what their favorite time to play sports was. Of the students surveyed, 51 prefer to play sports after school. Based on this data, what is the most reasonable prediction of seventh graders in his entire grade?
Step-by-step explanation:
To answer my question, you would set up a proportion.