I think the second line after the ⇒ was supposed to be P(B and A) = P(B) * P(A|B).
P(B and A) = P(B) * P(A|B)
No, it’s a substitution on the left hand side. I substituted P(A and B) for P(B and A)
I think the second line after the ⇒ was supposed to be
P(B and A) = P(B) * P(A|B).No, it’s a substitution on the left hand side. I substituted P(A and B) for P(B and A)