probality question

Assuming boys and givis are equally lwely, find the probablity of a couple having a baby gir when their fith chidd is bom, given that the first four children wore all giris In a lest of a sex-selection technique, retuls consisted of 246 female baties and 16 male babies. Basod on this resurt, what is the probabalty of a temale being born to an couple uting tha fechrique? Does it appest thet the technique is ethective in increasing the likeinood that a baby wa be a farale? Assuming boys and givis are equally lwely, find the probablity of a couple having a baby gir when their fith chidd is bom, given that the first four children wore all giris In a lest of a sex-selection technique, retuls consisted of 246 female baties and 16 male babies. Basod on this resurt, what is the probabalty of a temale being born to an couple uting tha fechrique? Does it appest thet the technique is ethective in increasing the likeinood that a baby wa be a farale