3 ms·
Simple. And wrong. Note that the correct answer is 13/27 probability of a boy, which is less, not more, than 50%.
by gcp 15y ago
Simple.
And wrong. Note that the correct answer is 13/27 probability of a boy, which is less, not more, than 50%.
- extension 15y agoSorry, I should have said a higher proportion of two-boy families, not a higher proportion of boys. 13/27 is more than 1/3, which is the proportion of two-boy families before you eliminate the families without tuesday boys.