JEE Main 2020 Mathematics question
A random variable X has the following probability distribution :
| X | 1 | 2 | 3 | 4 | 5 | |---|---|---|---|---|---| | P(X) | | 2K | K | 2K | |
Then P(X > 2) is equal to -
Answer: (D)
A random variable X has the following probability distribution :
| X | 1 | 2 | 3 | 4 | 5 | |---|---|---|---|---|---| | P(X) | | 2K | K | 2K | |
Then P(X > 2) is equal to -