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Question

Assertion(A) : A random variable X takes the values 0,1,2. It's mean is 0.6. If P(X=0)=0.5, then P(X=1)=0.4

Reason(R) : X:SR is a descreate random variable with range {X1,X2,X3,} then mean =r=1xrP(X=xr)

A
Both A and R are true and R is the correct explanation of A.
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B
Both A and R are true but R is not the correct explanation of A.
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C
A is true but R is false
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D
A is false but R is true
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