OpenStudy (anonymous):

How many ways can a committee chairman choose 4 people for a subcommittee if there are 12 members on the whole committee? A. 48 B. 495 C. 11,880 D. 20,736

2 years ago
OpenStudy (anonymous):

its A

2 years ago
OpenStudy (anonymous):

4*12

2 years ago
OpenStudy (0_0youscareme):

itz B.

2 years ago
OpenStudy (anonymous):

correct answer is B, there are total 12 people and the subcommittee consist 4 people so this can be done by applying the formula of combinations

2 years ago
OpenStudy (anonymous):

the formula is \[\frac{ n! }{ (n-r)!r! }\]

2 years ago
OpenStudy (anonymous):

n is total no of people and r is the no of members of subcommittee

2 years ago