Ch 16 Combinations And Permutations

Question 1

Define Combinations

Answer 1

How many ways to arrange things, when order doesnt matter

Question 2

Permutations

Answer 2

How many ways to arrange things, when order does matter

Question 4

If events are mutually exclusive, so OR is used, and there are x ways to accomplish one event and y ways to accomplish the other, how many ways are there two accomplish one OR the other

Answer 4

X + Y

Question 5

If there are x ways to accomplish one task and y ways to accomplish the other, how many ways are there to perform both tasks together (AND)

Answer 5

X * Y