Lectures - 2.3 Counting Partitions: Combinations

Quiz 2.3 #1

How many ways can a committee of 3 be formed from 10 club members?

  • A. 120
  • B. 240
  • C. 720

Quiz 2.3 #3

I have 5 dimes and 2 quarters in my pocket.
I reach in and pick 3 coins at random.
How many ways can the 3 coins be selected?

  • A. 35
  • B. 70
  • C. 115

Quiz 2.3 #4

I have 6 regular and 4 diet coke in my cooler.
I pick 5 at random.
What’s the number of ways I pick at least 1 diet?

  • A. 66
  • B. 246
  • C. 846