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Let X be a discrete random variable with the probability mass function

where c and d are positive real numbers. If P(|X| ≤ 1) = 3/4, then E(X) equals
  • a)
    1/12
  • b)
    1/6
  • c)
    1/3
  • d)
    1/2
Correct answer is option 'A'. Can you explain this answer?
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Let Xbe a discrete random variable with the probability mass functionwhere cand dare positive real numbers. If P(|X| ≤ 1) = 3/4, then E(X) equalsa)1/12b)1/6c)1/3d)1/2Correct answer is option 'A'. Can you explain this answer?
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Let Xbe a discrete random variable with the probability mass functionwhere cand dare positive real numbers. If P(|X| ≤ 1) = 3/4, then E(X) equalsa)1/12b)1/6c)1/3d)1/2Correct answer is option 'A'. Can you explain this answer? for IIT JAM 2024 is part of IIT JAM preparation. The Question and answers have been prepared according to the IIT JAM exam syllabus. Information about Let Xbe a discrete random variable with the probability mass functionwhere cand dare positive real numbers. If P(|X| ≤ 1) = 3/4, then E(X) equalsa)1/12b)1/6c)1/3d)1/2Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for IIT JAM 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Let Xbe a discrete random variable with the probability mass functionwhere cand dare positive real numbers. If P(|X| ≤ 1) = 3/4, then E(X) equalsa)1/12b)1/6c)1/3d)1/2Correct answer is option 'A'. Can you explain this answer?.
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