Test 3

Question 1

REAL addition rule

Answer 1

|AUB| = |A| + |B| - |A n B|

Question 2

’s less less than/equal to N are divisible by V

Answer 2

(Floor) N/V

Question 3

’s etc by V and Q

Answer 3

(Floor) N/(V*Q)

Question 4

Questions to ask when counting

Answer 4

Addition or multiplication rule?
Order?
Duplicates?
Indistinguishable objects?

Question 5

Multiplication rule

Answer 5

|AxB| = |A|*|B|

Question 6

P(A|B)

Answer 6

P(AnB)/P(B)