For an event E, if P(E)+P(E)=q, then the value of q^2-4 is - Vidyadip

MCQ

For an event $E$, if $P(E)+P(\bar{E})=q$, then the value of $q^2-4$ is

✓
-3
B
3
C
5
D
-5

✓

Answer

Correct option: A.

-3

a

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