Question: 2.7. Let U and W be jointly distributed random variables. Show that U and W are independent if Pr{U>uand W>w} =Pr{U>u} Pr{W>w} forallu,w.

2.7. Let U and W be jointly distributed random variables. Show that U and W are independent if Pr{U>uand W>w} =Pr{U>u} Pr{W>w} forallu,w.

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