Assertion (A) : If E is an event such that P(E) = 1/999 , then P( E) = 0.001 . Reason (R) : P(E) + P( E) = 1

CBSE Class 10 Maths PYQ · Probability · Complement of event · 1 Mark · March 2025 · Basic

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1001 Mark · March 2025 · Basic

Assertion (A) : If $E$ is an event such that $P(E) = \frac{1}{999}$, then $P(\bar{E}) = 0.001$.
Reason (R) : $P(E) + P(\bar{E}) = 1$

(a)Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
(b)Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A).
(c)Assertion (A) is true, but Reason (R) is false.
(d)Assertion (A) is false, but Reason (R) is true.

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Ans. (d) Assertion (A) is false, but Reason (R) is true.

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