Mathematics, 31.07.2019 19:10 ldldunker
Aclinical trial tests a method designed to increase the probability of conceiving a girl. in the study 390 babies were born, and 312 of them were girls. use the sample data to construct a 99% confidence interval estimate of the percentage of girls born. based on the result, does the method appear to be effective?
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![p\pm \left [ z_{\frac{\alpha }{2}}\cdot S.E.\right ]](/tpl/images/0155/4213/e5da9.png)
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Aclinical trial tests a method designed to increase the probability of conceiving a girl. in the stu...
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