Complements and the Addition Rule

a. Develop a formula for the probability of not getting either A or B on a single trial. That is, find an expression for P().

b. Develop a formula for the probability of not getting A or not getting B on a single trial. That is, find an expression for P(A or B).

c. Compare the results from parts (a) and (b). Does P() = P(A or B)?

Solution 43BB