Question

P(A)-P(Ā)=0.2, P(A)=?​

Answer 1

Answer:

0.8

Step-by-step explanation:

As we know that the sum probability of the favourable and non-favourable outcome is always 1 so....

P(A)+P(notA)=1

P(A)=0.8

Answer 2

The value of P(A) = 0.6.

Step-by-step explanation:

Since we have given that

P(A) - P(Ā)=0.2

and we know that

$P(A)+P(\bar{A})=1\\\\P(\bar{A})=1-P(A)$

So, it becomes,

$P(A)-P(\bar{A})=0.2\\\\P(A)-(1-P(A)=0.2\\\\P(A)-(1-P(A))=0.2\\\\P(A)-1+P(A)=0.2\\\\2P(A)=0.2+1\\\\2P(A)=1.2\\\\P(A)=0.6$

Hence, the value of P(A) = 0.6.

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P(A) - P(Ā) =0.2 then P(A)=?

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