What is the sum of all probabilities of an event.

What is the sum of all the probabilities of trials of an experiment?

What is the sum of the probabilities of happeing of an event & not happening of the event ?

Write the sum of the probabilities of all the elementary events of an experiment.

What is sum of the probablities of all the possible events of a random experiment ?

Complete the following statements: The sum of the probabilities of all the elementary events of an experiment is_________

Complete the following statements: The sum of the probabilities of all the elementary events of an experiment is ........ .

Complete the following statements: The sum of the probabilities of all the elementary events of an experiments is ___.

Complete the following statements : The sum of the probabilities of all the elementary events of an experiment is _________ .

Complete the statements: (a) Probability of event E + Probability of event 'not E' = __________. (b) The probability of an event that cannot happen is ___________. Such an event is called__________. (c) The probability of an event thai is certain to happen is __________. Such an event is called________ sure or certain event. (d) The sum of the probabilities of all the elementary events of an experiment is _________. (e) The probability of an event greater than or equal to _________and less than or equal to _________.