# Genetics IVF Institute

**Question description**

The Genetics and IVF Institute conducted a clinical trial of the Y-SORT Method designed

to increase the probability of couples conceiving a boy child. Assume that n = 625

babies were born with this X-SORT method and the x = 400 of them were boys.

- Construct a 99% confidence interval for the proportion of boys born to parents

using the Y-SORT method. Determine the standard deviation for the estimated

proportion (*std*(p̂)) first and then the Margin of Error = E. Cite the Za/2 value aswell

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