The addition rule as a device for finding probabilities that…

The addition rule as a device for finding probabilities that can be expressed as P(A or B), the probability that either event A occurs or event B occurs (or they both occur) as the single outcome of the procedure. The key word in this section is “or.” It is the inclusive or, which means ______ or the ______ or _____.

Intuitive Addition Rule. To find P(A or B), find the sum of…

Intuitive Addition Rule. To find P(A or B), find the sum of the __________ event A can occur and the number of ways event B can occur, adding in such a way that ____________ is counted only ______. P(A or B) is equal to that sum, divided by the total number of outcomes in the sample space.

Intuitive Addition Rule. To find P(A or B), find the sum of…

Intuitive Addition Rule. To find P(A or B), find the sum of the __________ event A can occur and the number of ways event B can occur, adding in such a way that ____________ is counted only ______. P(A or B) is equal to that sum, divided by the total number of outcomes in the sample space.