Question

Probability of an event E + Probability of the event ‘not E’ = ___________.​

Answer 1

Answer:

The correct answer is 1.

Reason:

$As \: we \: know \: that$

$P(not \: E) = 1 - P(E)$

$P(not \: E) + P(E) = 1$

Therefore, Probability of an event E + Probability of the event ‘not E’ = 1 .

Answer 2

Answer:

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