What does it mean for two random variables to be, Ask an Expert

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1. What does it mean for a discrete random variable to be identically distributed?

2. What does it mean for two random variables to be uncorrelated?

3. What does it mean for two random variables to be independent?

4. What is the difference between a random and a sample variable?

5. Why E[Y/X=xj] is a random variable?

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