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Question 6 According to an article in Newsweek, the natural ratio of girls to boys is 100 : 105. In China, the birth ratio is
Question 6 According to an article in Newsweek, the natural ratio of girls to boys is 100 : 105. In China, the birth ratio is 100 : 118 (45.9% girls). Suppose you don't believe the reported figures of the percent of girls born in China. 17 points You conduct a study. In this study, you count the number of girls and boys born in 150 randomly chosen recent births. There are 63 girls and 87 boys born of the 150. Based on your study, do you believe that the percent of girls born in China is 45.9? (a) State the null hypothesis. Ho: Click for List Click for List Number (b) State the alternative hypothesis. Ha: Click for List Click for List Number (c) In words, state what the random variable represents. The random variable represents the Click for List of girls born in China.\f(h) Let a = 0.05. i. Decision: Click for List ii. Reason for decision: Click for List iii. Conclusion: There is Click for List evidence to conclude that the percentage of girls born in China is different from 45.9%
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