# Probability and Statistics

# Combinations Exercises

### Example 1

If we don't care about order, how many combinations are there if we have 5 things and take 3 of them?

### Example 2

If we don't care about order, how many combinations are there if we have 7 things and take 2 of them?

### Example 3

If we don't care about order, how many combinations are there if we have 10 things and take 7 of them?

### Example 4

Find the combination: .

### Example 5

Find the combination: .

### Example 6

Find the combination: .

### Example 7

Find the combination: .

### Example 8

Find the combination: .