The school board administered a reading test to all eighth-grade students at High Achievers Charter School and determined that 10%, percent of them were reading below grade level.
Based on this data, which of the following conclusions are valid?

Choose 1 answer:
A 10% percent of students in this sample are reading below grade level, but we cannot conclude anything about the eighth-grade students at HACS.

B 10% percent of all students at HACS are reading below grade level.

C 10% percent of all eighth-grade students at HACS are reading below grade level.