COMPUTATION: Find the mean (1 Point), variance (2Points), and standard deviation (2Points) of the following probability distribution then interpret the computed values.
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Answer:
mean = 3.13
variance= 1.57
standard deviation= 1.25
Step-by-step explanation:
formula:
mean= ∑ z.p(z)
variation= ∑ (z-μ)².p(z)
deviation= √∑(z-μ)².p(z)