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If E denotes expectation, the variance of a random variable X is given bya)E [X2] – E2[X]b)E[X2] + E2[X]c)E [X2]d)E2[X]Correct answer is option 'A'. Can you explain this answer? for Mathematics 2025 is part of Mathematics preparation. The Question and answers have been prepared according to the Mathematics exam syllabus. Information about If E denotes expectation, the variance of a random variable X is given bya)E [X2] – E2[X]b)E[X2] + E2[X]c)E [X2]d)E2[X]Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Mathematics 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for If E denotes expectation, the variance of a random variable X is given bya)E [X2] – E2[X]b)E[X2] + E2[X]c)E [X2]d)E2[X]Correct answer is option 'A'. Can you explain this answer?.

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