Aweighted coin with pr[h]=3/4 is flipped two times. what is the probability at least one of the flips was tails given that at least one of the flips was heads?

2/4 is your answer for the question

Thats where they was ported and the fields that noone really knew much about needed tended, so they put slaves out there do free work and huge profits and so on the north decided to hold its own and was more different way of survival did not have same climate conditions to afford protecting slaves from winter so expenses be diff from south