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If for any event E, $P(E) + P(\bar{E}) = q$, then the value of $q^2-3$ is:
- (a)$0$
- (b)$- 2$
- (c)$2$
- (d)$1$
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(B) $- 2$
CBSE Class 10 Maths PYQ · Probability · Complement of event · 1 Mark · March 2025 · Standard
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