MHT CET 2025 Mathematics question
If a random variable X has the following probability distribution of X X=x: 0, 1, 2, 3, 4, 5, 6, 7 P(X=x): 0, , , , , , , Then
Answer: (A)
Solution
The probabilities sum to 1: . Since probabilities cannot be negative, (the root is rejected). Then
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