180 Days of Ideas for Discussion in Math Class.
(as of 9July2014, we're in overtime!)
Mr Smith has two children. One of them is a boy. What is the probability the other child is also a boy?
— solve my maths (@solvemymaths) April 4, 2015
52% - but this isn't really a maths problem.
Drumroll ........ Nope.
0. The problem says "One of them"Seriously though, is it 1/3? Could be BB, BG, GG, GB. 3 of them have at least one boy. Given one of them is a boy, the only choice where the situation holds true is BB.
Yup. Counter-intuitive, like Monty Hall Problem.