Five people are selected from a group of 20 to form a committee.How many different committee combinations could be formed?
A)100
B)120
C)15,504
D)3.2 Million
E)9,5 Billion

Question

Quizplus · Accepted Answer

The number of combinations of selecting 5 people from a group of 20 is given by the formula:
nCr = n! / (r! * (n-r)!)
Where n is the total number of people and r is the number of people to be selected.
nCr = 20C5
nCr = 20! / (5! * (20-5)!)
nCr = 15,504

Five People Are Selected from a Group of 20 to Form