Question

A bag contain Red and blue marbles Totalling Between 50 And 100 in number.If Two Marbles are drawn at random,The chances of both of them are red is 25%.One third of the marbles are Picked from The bag, At random and thrown away.if One marble is drawn at random from the bah,What is tha probability Of it being Blue?

Answer 1

Hmm this is a tough one, I'm not sure but I'd say a 25% chance, Hope that helped.