Question

Find the value of P ​

Answer 1

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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