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Recent questions tagged expectation

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GATE2018-42
The probability distribution for a discrete random variable $X$ is given below. $\begin{array}{|c|c|c|c|c|} \hline X & 1 & 2 & 3 & 4 \\ \hline P(X) & 0.3 & 0.4 & 0.2 & 0.1 \\ \hline \end{array}$The expectation value of $X$ is (up to one decimal place) _____________
gatecse asked in Probability and Statistics Feb 20, 2018
by gatecse
1.4k points
  • gate2018
  • numerical-answers
  • probability-and-statistics
  • probability
  • expectation
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