JEE Main 2020 · MathsMultiple choiceSingle correctEasyCalculation
JEE Main 9 January 2020, Shift 2, Maths Q67
Question 67 of 75 in this shift, Maths question 17 of 25, Section A.
A random variable X has the following probability distribution :
Then is equal to :
| X | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|
| P(X) |
- (1)
- (2)
- (3)Official answer
- (4)
Official answer
Option 3
NTA final key (Jan 2020).
- Chapter
- Probability
- Topic
- No close match in our taxonomy
- Idea tested
- No close match in our taxonomy