In a test of a gender-selection technique, results consisted of 268 baby girls a

Question

In a test of a gender-selection technique, results consisted of 268 baby girls and 271 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? O Yes O No

Explanation / Answer

a) P(girl will be born) = 268/(268+271)

= 0.497

b) No

From the given sample, the probability of girl is found to be less than 0.5. So, the technique appear ineffective

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