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**Sun** A1 : 75% chance. out of the 4 probabilities (girl followed by boy, girl followed by girl, boy followed by girl , boy followed by girl) , we know that girl can't be the first one. so two probabilities eliminated giving us a guarantee that the chance is at least 50%. At this point both Boy followed by girl or Boy followed by Boy has a 75% chance, as getting either a second boy or girl has 25% chance? (I think i'm confusing myself)

A2 : 50%. The second probability does not effect the first probability, unlike question 1...