Suppose that X and Y are independent, X~B(10, 0.5), Y follows Poisson distribution with parameter 4. Which of the following statement is not true? O A.E(X+Y)=9 B.E(X-Y)=1 C.D(X+Y)=6.5 O D.D(X-Y)=-1.5

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Suppose that X and Y are independent,
X~B(10, 0.5), Y follows Poisson distribution with
parameter 4. Which of the following statement is
not true?
A.E(X+Y)=9
B.E(X-Y)=1
C.D(X+Y)=6.5
D.D(X-Y)=-1.5
Transcribed Image Text:Suppose that X and Y are independent, X~B(10, 0.5), Y follows Poisson distribution with parameter 4. Which of the following statement is not true? A.E(X+Y)=9 B.E(X-Y)=1 C.D(X+Y)=6.5 D.D(X-Y)=-1.5
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