In a group of 12 students, there are emales and a males How many different 4-member committees are possible if there are no restrictions? How many different 4-member committees are possible there must be exactly 2 girls? How many different 4-member committees are possible there must be at least 1 girl? Determine the probability that a 4 member gol ittee chosen at random from this group will consist of at least 1 females, Willtel