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Consider the claim that the XSORT method of gender selection increases the likel

ID: 3377956 • Letter: C

Question

Consider the claim that the XSORT method of gender selection increases the likelihood of having a baby girl. Preliminary results from a test of the XSORT method of gender selection involved 100 couples who gave birth to 65 girls. Assuming that under normal circumstances with no special treatment, girls occur in 50 % of births of the population. Use the given claim and the preliminary results to find the following: Null hypothesis and alternative hypothesis The test statistic (round to 2 decimal places) The P-value (round to 3 decimal places) The initial conclusion about the null hypothesis (using a significance level of alpha = 0.05) The final conclusion that addresses the original claim

Explanation / Answer

Consider the claim that the XSORT method of gender selection increases the likel