Mrs. gilbert timed her fastest student running down the hallway. her student ran from one end to the hall to the other in 10% of minute. how many seconds did it take the student to run down the hallway?

for a it would be 24 children.

for b i don't understand the question. is it saying for each individual person they pick 5 reds to 7 greens or is it the whole group. clarify and i hope this can you.

step-by-step explanation:

one set of data has more variation than the other. hope this !