In a test of a​ gender-selection technique, results consisted of 221 baby girls and 224 baby boys. Based on this​ result, what is the probability of a girl born to a couple using this​ technique? Does...

In a test of a​ gender-selection technique, results consisted of

baby girls and

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?

The probability that a girl will be born using this technique is approximately

​(Type an integer or decimal rounded to three decimal places as​ needed.)

Does the technique appear effective in improving the likelihood of having a girl​ baby?