In a test of a gender-selection technique, results consisted of 289 baby girls and 312 baby boys. Based on this result, what is the probability of a girl born to a couple using this technique? Does it appear that the technique is effective in increasing the likelihood that a baby will be a girl?

i dont know this but ask your teacher for !

a lot of people sadly don't know the best way to learn is cheating off of your friends or this amazing thing called google

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully

for a different answer set the answer would be because the oxygen in the water had depleted (apex)