If A denotes some event, what does Ā denote? If P(A)=0.996, what is the value of P(Ā)?
a) Event Ā is always unusual.
b) Event Ā denotes the complement of event A, meaning that Ā and A share some but not all outcomes.
c) Events A and Ā share all outcomes.
d) Event Ā denotes the complement of event A, meaning that Ā consists of all outcomes in which event A does not occur.
