Chapter 5 - Probability

Question 1

How can we find P(A and B) to draw a Venn diagram)?

Answer 1

P(A and B) = P(A) + P(B) - P(A or B or both)

Question 2

How can we prove events A and B are independent?

Answer 2

If:
P(A and B) = P(A) x P(B)

Question 3

How do you know if two events are mutually exclusive from the Venn diagram?

Answer 3

If the two events do not overlap

Question 4

How do you draw a sample space?

Answer 4

Draw a normal Venn diagram and add an S to the top right corner