Applying the restriction one of the children is a boy born on a Tuesday leaves us with3/196 from Case 1, including 1/196 that both are boys.24/196 from Case 2, including 12/196 that both are boys.The probability of both being boys given the restriction is thus (1/196 + 12/196)/(3/196 + 24/196) = 13/27.To put it another way, saying the boy mentioned was born on a Tuesday has a 12/13 chance of ide