Q. 15. In a meeting, of the members favour and oppose a certain proposal. A member is selected at random and we take . if he opposed, and if he is in favour. Find and Var .
Given :
Probability distribution is as :
CBSE Class 12 board exams 2025 to have 50% competency-based questions; no change in 10th
CBSE Class 12 board exams 2024 over; expected result date, trends of last 10 years
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