Fill in the blanks:
(i) Probability of a sure event = _______
(ii) probability of an impossible event = _______
(iii) If E be an event, then p (E) +p (not E) = _______
(iv) If E is an event, then _______ <p (E)< _______
(i) Probability of a sure event = 1
(ii) probability of an impossible event = 0
(iii) If E be an event, then p (E) +p (not E) = 1
(iv) If E is an event, then 0 <p (E)< 1