MHT CET 2024 Mathematics question
If a discrete random variable X takes values 0,1, 2,3 ....... with probability P(X= x) = k(x + 1) where k is a constant then P(X = 0) is
Answer: (B)
Solution
The probabilities must add to 1: . Using with : . So . Then
See the full step-by-step solution
Create a free account to read the complete working, and practise questions like this in a timed test.
Create a free account