Question:medium

Let X be a discrete random variable. The probability distribution of X is given below
and E(X) = 4, then the value of AB is equal to

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Always start by ensuring the sum of all probabilities in the table equals 1.
Updated On: May 12, 2026
  • \( \frac{3}{10} \)
  • \( \frac{2}{15} \)
  • \( \frac{1}{15} \)
  • \( \frac{3}{20} \)
Show Solution

The Correct Option is C

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