A discrete random variableX has the following probability distribution:
Value ofX
|
1 |
2 |
3 |
4 |
5 |
6 |
Probability |
0.30 |
0.20 |
0.15 |
0.15 |
0.10 |
0.10 |
Find the probability thatX is a multiple of 2. ["", "", "", ""]
Find the probabilityX is greater than 1, or P(X > 1). ["", "", "", ""]
Find the mean of the random variableX, μ
X
. ["", "", "", ""]
Find the variance of the random variableX, σ2XσX2 . ["", "", "", ""]
Find the standard deviation of the random variableX, σ
X
.