(i)  The sum of the probability of an event \(E\) and the probability of its complement (not \( E\)) is
.
 
(ii) The probability of an event that cannot happen is
. Such an event is called
.
 
(iii) The probability of an event that is certain to happen is
. Such an event is called
.
 
(iv) The sum of the probabilities of all possible outcomes of an experiment is
.
 
(v) The probability of an event is greater than or equal to
and less than or equal to
.
Answer variants:
\(0\)
Sure Event
Equivally Likely
\(1\)
Complementary Event
Impossible Event
Mutually Exclusive Event
\(-1\)