Choose the one alternative that best completes the statement or answers the question.
-The Environmental Protection Agency must visit nine factories for complaints of air pollution. In how many different ways can a representative visit five of these to investigate this week?
A)15,120
B)362,880
C)5
D)126

Question

Quizplus · Accepted Answer

The number of ways to choose 5 factories out of 9 is given by the combination formula:C(9, 5) = 9! / (5! * 4!) = 15,120

Choose the One Alternative That Best Completes the Statement or Answers