Find the value of P
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Given ,
P(A) - P(Ā) = 0.5
Also,
P(A) + P(Ā) = 1 ( Probability rule )
By Eliminating,
P(A) - P(Ā) - P(A) - P(Ā) = 0.5 - 1
-2P(Ā) = - 0 5
P(Ā) = 0.5/2 or. 0.25
So, P(Ā) will be 0.25
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