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For an event E, if $P(E) + P(\bar{E}) = q$, then the value of $q^2-4$ is :
- (a)$-3$
- (b)$3$
- (c)$5$
- (d)$-5$
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(A) $-3$
For an event E, if P(E) + P( E) = q , then the value of q2-4 is :
CBSE Class 10 Maths PYQ · Probability · Complement of event · 1 Mark · March 2024 · Standard
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