Question

P(A) - P(Ā) = 0.3 then P(A)=? ​

Answer 1

Answer:

We know,

P(A)+P(Ā)=1...(1)

P(A)-P(Ā)=0.3...(2).... given

Add both equations, we get

2[P(A)]=1.3

P(A)=1.3/2

P(A)=0.65

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