How many ways can we choose three items at random without replacement from five items (A,B,C,D,
A)60
B)120
C)10
D)24
E)if the order of the selected items is not important?

Question

Quizplus · Accepted Answer

The number of ways to choose 3 items from 5 without regard to order is given by the combination formula C(n, k) = n! / (k!(n-k)!), where n is the total number of items, and k is the number of items to choose. Here, C(5, 3) = 5! / (3! * (5-3)!) = 10.

How Many Ways Can We Choose Three Items at Random