SOLUTION: Assume A is an event. Find P(A OR the complement of A), and P(A AND the complement of A). Please explain your result

Algebra ->  Probability-and-statistics -> SOLUTION: Assume A is an event. Find P(A OR the complement of A), and P(A AND the complement of A). Please explain your result      Log On


   

Question 1026886: Assume A is an event. Find P(A OR the complement of A), and P(A AND the complement of A). Please explain your result
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
P(A or not(A)) = 1 since either A occurred or did not occur.

P(A and not(A)) = 0 since it cannot be that both A and not(A) occurred.