Question

Committee of 7 students is to be formed from 10 ee students, 12 cs students and 8 math students. it is required that at least two students from each major be on the committee. if all possible committees are equally likely, find the probability of forming a committee with 3 ee students.

Answer 1

First, You Do 10 and 12 in the parentheses, then subtract 8 and multiply 7.  Then This Equals 146. Hope this helps :)