Final answer:
The plotted results suggest that the percentage of females in the student body fluctuates around 50%.
Step-by-step explanation:
The plotted results of 200, 80-student samples suggest that the percentage of females in the student body fluctuates around 50% (option c). This is because if the percentage of females were consistently above 50%, the graph would consistently be above 0.5 on the y-axis. If the percentage of females were consistently below 50%, the graph would consistently be below 0.5 on the y-axis. However, since the graph fluctuates around 0.5, it suggests that the percentage of females in the student body is not consistently above or below 50%.