Following is the probability distribution table for the random variable “X”. The mean and the variance of the random variable X is 64.15 and 39.6275. You are required to calculate the value ofZandUwhich is missing in the table.
X
50
55
58
62
65
Z
72
P(x)
0.05
0.1
U
0.2
0.15
0.3
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