Chapter 4.3

Question 1

What is a Mutually Excluseive Event?

Answer 1

Something that doesn’t overlap;
interchangeable terms: mutually excluseive, disjointed, and non-overlapping

pg. 198

Question 2

What is the equation for Mutually Exclusive Events?

Answer 2

P(A or B)=P(A)+P(B)

pg. 199

Question 3

What is the equation for probability of A or B for any event?

Answer 3

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

Add the base probabilities and adjust for double counting if it occurred

pg. 201