Do Homework- Steven Smith Google Chrome Secure https://www.ma yerHomework.aspx?h

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Do Homework- Steven Smith Google Chrome Secure https://www.ma yerHomework.aspx?homeworkld-456318248&questionld; 1&flush; MAT-240-R2428-17EW2 Homework: 5-2 MyStatLab: Module Five Save Problem Set Score: 0 of 5 pts 11.1.25-T 5 of 14 (2 complete) Score: 9.23%, 6 of 65 pts Question Help In a clinical trial of a vaccine, 10,000 chiidren were randomly divided into two groups. The subjects in group 1 (the experimental group) were given the vaccine while the subjects in group 2 (the control group) were given a placebo. Of the 5,000 children in the experimental group, 75 developed the disease. Of the 5,000 children in the control group, 108 developed the disease. Determine whether the proportion of subjects in the experimental group who contracted the disease is less than the proportion of subjects in the control group who contracted the disease at the 0.01 level of significance. Choose the correct null and alternative hypotheses below. O A. Ho P1 P2 versus H:P1 P c. H0: p1 =p2 versus H1 : p1 p2 D. Ho: pl-p2 versus H, : p,P2 Click to select your answer and then click Check Answer Clear All Check Answer remaining

Explanation / Answer

Here the question have used the term "less than" so the given hypothesis is left tailed test.

SO,

H0 : p1 = p2

Ha : p1 < p2

so option C is correct.

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