Question

p(E)-p(not E)=-0.3,p(E)=??​

Answer 1

Answer:

We know that p(E)+p(not E)=1......(1)

andp(E)-p(not E)=-0.3.........(2)

By adding (1)&(2)

We get p(E)=0.7/2

I.e 0.35

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Answer 2

p(e)+p(not e)= -0.3 , p(E)=?