Question 1 (i)
Complete the following statement for exhaustive events E and not E:
Probability of event E + Probability of event “not E” = ___.

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Solution

When two or more events form the sample space collectively then they are known as exhaustive events.

Hence,
Probability of event E + Probability of event “not E” = 1.

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Similar questions

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) $\geq$ ___

E +

E

=

\leq P (E) \leq

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