B. Determine the Variance and Standard Deviation of each random varia
your answer in your answer sheets,
1.
1
2
4
PORT
P(x)
1
1
3
1
5
5
1
5
5.
Z
2.
2
8
P(z)
0.6
0.1
0,2
0.1
m
1
3
5
7
3.
P(m)
40%
25%
15%
20%​