JEE Main 2026 Mathematics question
The probability distribution of a random variable X is given below :
| X | 4k | | | | | | | 6k | |---|---|---|---|---|---|---|---|---| | P(X) | | | | | | | | |
If , then is equal to :
Answer: (3)
Solution
Solving gives , yielding
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