Probability of an event E + Probability of an event “not E” is equal to = ___.

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Solution

We know the sum of probabilities will always be equal to be 1, P (E) + P (not E) = 1

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Similar questions

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 as event is called _________.

(iii) The probability of an event that is certain to happen is _________. Such as 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 _______.

Fill in the blanks.

(i) Probability of an impossible event = ___

(ii) Probability of a sure event = ___

(iii) Let E be an event. Then, P(not E)= ___

(iv) P(E) + P(not E)= ___

(v) ___ $\leq$ (P) $\geq$ ___

\leq P (E) \leq

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