MHT CET 2024 Mathematics question
For the probability distribution X : -2, -1, 0, 1, 2, 3 p(x) : 0.1, 0.2, 0.2, 0.3, 0.15, 0.05 Then the Var (X) is (Given : , , )
Answer: (C)
Solution
Check the probabilities: . Mean . . Variance
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