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If E [ 3 X + Y ] = 11 E[3X+Y] = 11 E[3X+Y]=11and E [ X ] = 2 , E[X] = 2, E[X]=2,what is E [ Y ] ? E[Y]? E[Y]?
If E [ 4 X ] = 16 , E[4X ] = 16 , E[4X]=16,what is E [ X ] ? E[X] ? E[X]?
If E [ 3 X + 9 Y ] = 6 E[3X+9Y] = 6 E[3X+9Y]=6and E [ 3 X + Y ] = 5 , E[3X+Y] = 5, E[3X+Y]=5,what is E [ X + Y ] ? E[X+Y]? E[X+Y]?
If E [ X ] = 3 , E[X] = 3 , E[X]=3,what is E [ 3 X + 1 ] ? E[3X + 1 ]? E[3X+1]?
If E [ X ] = 4 , E [ Y ] = 4 , E[X] = 4, E[Y] = 4 , E[X]=4,E[Y]=4,what is E [ 4 X + 3 Y ] ? E[4X+3Y]? E[4X+3Y]?
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