Answer:
no
Explanation: I think that’s students deserve a break from working.
Answer:
Yes.
Explanation:
Doctors (and nurses) take an oath about helping people (not the whole thing, but I don't know it as I am not a doctor or nurse). If the doctor is understanding, they might even help set up a payment plan.
Probability that the 7th grader is a boy = number of boys/(total kids) = 4/(4+4) = 1/2
Probability that the 8th grader is a boy = 5/(5+7) = 5/12
Probability that both are boys = 1/2*(5/12) = 5/24 or 20.8%
I hope this helps!