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Question

If the probability of happening of an event is mn, then what is the probability of the event not happening.


A
m
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B
mn
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C
nmn
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D
1
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Solution

The correct option is C nmn

Given that:
P(E)= Probability of happening of an event =mn
Then, P(E') = probability of event not happening = 1 - P(E)
[ P(E) and P(E') are complementary events]

P(E)=1mn=nmn


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