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Mathematics, 08.07.2019 16:20 kikimiller

Assume that 200 babies are born to 200 couples treated with the xsort method of gender selection that is claimed to make girls more likely. preliminary results from a test of the xsort method of gender selection involved 200 couples who gave birth to 115 girls and 85 boys. at significance level of 0.1, test whether the proportion of girl births after the treatment is greater than the 50% that occurs without any treatmentanswer the next three questions. a. test statistic =b. p-value =c. what is your decision? a. accept (fail to reject) h0. there is no sufficient evidence in the sample that the proportion of girl births after the treatment is greater than the 50% that occurs without any treatment. b. reject h0. there is sufficient evidence in the sample that the proportion of girl births after the treatment is greater than the 50% that occurs without any treatment.

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