10w^7 is the answer I’m pretty sure
30 students
14 have no siblings
that leaves 16 with siblings
6 have brothers and 12 have sisters which = 18 so 2 of the students have both a brother and a sister
2/30 students have a brother and a sister
1/15 chance
we have

the solution is the interval -------> (3,∞)
therefore
the answer in the attached figure
Step-by-step explanation:
it 100 more than the 4 in 37,426