х
Mathematics, 03.05.2021 22:50 Cmpine
The following table shows the probability distribution for a discrete random
variable.
х
12
15
17
20
22
24
25
30
P(X) -0.07 0.21 0.17 0.25 0.05 0.04 0.13 0.08
The mean of the discrete random variable X is 19.59. What is the variance
of X? Round your answer to the nearest hundredth.
A. 23.18
B. 34.71
OC. 31.06
D. 26.55
Answers: 3
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You know the right answer?
The following table shows the probability distribution for a discrete random
variable.
х
х
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