Question

The probability of the certain event is .......,select a proper option (a), (b), (c) or (d) from given options so that the statement becomes correct.
(a) 0
(b) 0.5
(c) 0.7
(d) 1

Answer 1

answer is one because the probability is a certain or sure event is always one

Answer 2

d. 1 is the probability of a certain event to be happen .