Question

10

o For students who first enrolled in two year public institutions in a recent semester, the proportion who earned a bachelor's degree within six years was 0.395. The president of a certain college believes that the proportion of students who enroll in her institution have a lower completion rate. (a) Determine the null and alternative hypotheses. (b) Explain what it would mean to make a Type I error. (c) Explain what it would mean to make a Type Il error. (a) State the hypotheses Ho H: (Type integers or decimals. Do not round.) (b) Which of the following is a Type I error? OA. The president rejects the hypothesis that the proportion of students who earn a bachelor's degree within six years is 0.395, when, in fact, the proportion is less than 0.395. OB. The president fails to reject the hypothesis that the proportion of students who earn a bachelor's degree within six years is 0.395, when, in fact, the proportion is less than 0.395 OC. The president rejects the hypothesis that the proportion of students who earn a bachelor's degree within six years is 0.395, when, in fact, the proportion is 0.395. D. The president fails to reject the hypothesis that the proportion of students who earn a bachelor's degree within six years is 0.395, when, in fact, the proportion is 0.395. (c) Which of the following is a Type Il error? O A. The president rejects the hypothesis that the proportion of students who earn a bachelor's degree within six years is 0.395, when, in fact, the proportion is 0.395. B. The president fails to reject the hypothesis that the proportion of students who earn a bachelor's degree within six years is 0.395, when, in fact, the proportion is less than 0.395. C. The president rejects the hypothesis that the proportion of students who earn a bachelor's degree within six years is 0.395, when, in fact, the proportion is less than 0.395. OD. The president fails to reject the hypothesis that the proportion of students who earn a bachelor's degree within six years is 0.395, when, in fact, the proportion is 0.395.

Answer 1

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