Just answered: Testing Claims About Proportions. In Exercises 932, test the given claim

Chapter 8, Problem 14

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Testing Claims About Proportions. In Exercises 932, test the given claim. Identify the null hypothesis, alternative hypothesis, test statistic, Pvalue or critical value(s), conclusion about the null hypothesis, and final conclusion that addresses the original claim. Use the Pvalue method unless your instructor specifies otherwise. Use the normal distribution as an approximation to the binomial distribution (as described in Part 1 of this section). Gender Selection The Genetics and IVF Institute conducted a clinical trial of the YSORT method designed to increase the probability of conceivinga boy. As of this writing, 291 babies were born to parents using the YSORT method, and 239 of them were boys. Use a 0.01 significance level to testthe claim that the YSORT method is effective in increasing the likelihood that a baby will be a boy.