Question
Mathematics Question on Probability Distribution
If the mean of the probability distribution is 5, then the value of k is:
| X | 2 | k | 5 |
|---|---|---|---|
| P(X) | 0.2 | 0.4 | 0.6 |
A
1
B
2
C
4
D
3
Answer
4
Explanation
Solution
The correct option is(C):4
If the mean of the probability distribution is 5, then the value of k is:
| X | 2 | k | 5 |
|---|---|---|---|
| P(X) | 0.2 | 0.4 | 0.6 |
1
2
4
3
4
The correct option is(C):4