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SR. TEACHER (SEC. EDU.) COMP. EXAM 2025 2026 question with answer

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Question 13

Q13.एक यादृच्छिक चर X, माध्य 8 और प्रसरण 4 वाला एक द्विपद बंटन रखता है। यदि P(X ≤ 2) = k/2¹⁶, तो k बराबर है —