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Complete the following statements:(i) Probability of an event E + Probability of the event ‘not E’ = ___________.(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 the elementary events of an experiment is __________.(v) The probability of an event is greater than or equal to ___ and less than or equal to __________. |
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Answer» (i) Probability of an event E + Probability of the event ‘not E’ = 1 . (ii) The probability of an event that cannot happen is 0 . Such an event is called an impossible event. (iii) The probability of an event that is certain to happen is 1 . Such an event is called sure event. (iv) The sum of the probabilities of all the elementary events of an experiment is 1 . (v) The probability of an event is greater than or equal to 0 and less than or equal to 1 . |
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