Statistics: Using the p-value
method
Question: Identify the null
hypothesis, alternative hypothesis, test statistic, P-value or critical
conclusion about the null hypothesis and final conclusion that addresses the
original claim. Use the p-value method and use the normal distribution as an
approximation to the binomial distribution.
Gender selection for boys
The Genetics and IVF Institute
conducted a clinical trial of the YSORT method designed to increase the
probably that a baby is a boy. As of this writing, among the babies born to
parents using the YSORT method, 172 were boys and 39 were girls. Use the sample
data with a 0.01 significance level to test the claim that with this method,
the probability of a baby being a boy is greater than 0.5. Does the YSORT
method of gender selection appear to work?
ScholarMatic: Explanation & Answer
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