Question: What is significant? In testing a method of gender selection, 200 couples are given a treatment designed to increase the likelihood of a girl, and

What is significant? In testing a method of gender selection, 200 couples are given a treatment designed to increase the likelihood of a girl, and each couple has one baby.

a. If the 200 babies include exactly 130 girls, would you consider this result statistically significant or would you attribute it to random fluctuations?

b. If the 200 babies include exactly 105 girls, would you consider this result statistically significant or would you attribute it to random fluctuations?

c. The P-value of 0.262 is obtained for the results of either part a or

b. Which is it? Why?

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