Computer Sciences > GATE 2026 SET-1 > Probability
Let X be a random variable which takes values in the set {1, 2, 3, 4, 5, 6, 7, 8}.
Further, Pr(X = 1) = Pr(X = 2) = Pr(X = 5) = Pr(X = 7) = 1/6 and
Pr(X = 3) = Pr(X = 4) = Pr(X = 6) = Pr(X = 8) = 1/12.
The expected value of X, denoted by E[X], is equal to ___________. (rounded off to two decimal places)
Further, Pr(X = 1) = Pr(X = 2) = Pr(X = 5) = Pr(X = 7) = 1/6 and
Pr(X = 3) = Pr(X = 4) = Pr(X = 6) = Pr(X = 8) = 1/12.
The expected value of X, denoted by E[X], is equal to ___________. (rounded off to two decimal places)
Correct : 4.25
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