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Computing expected values and variance using the given probability distribution.
What are the expected value and variance of the following probability distribution?
Random Variable X
Probability
1
0.05
2
3
0.10
4
5
0.15
6
7
0.25
8
Categorize the events as dependent or independent. Events A and B where P (A) = 0.7, P (B) = 0.8, and P (A and B) = 0.56.
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