You must show all work on your paper to receive any credit f…

You must show all work on your paper to receive any credit for this problem!   A committee consisting of 7 people is to be selected from 6 parents and 11 teachers. a.  Find the probability that the committee consists of 2 parents and 5 teachers.       Answer as a decimal rounded to 4 decimal places b.  Find the probability that the committee consists of all teachers.       Answer as a decimal rounded to 4 decimal places NO WORK = NO POINTS