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30 August, 20:34

A student wondered if more than 10% of students enrolled in an introductory Chemistry class dropped before the midterm. He noticed that 2 out of 15 of his friends in the class dropped before the midterm. Based on his sample, he performed a hypothesis test. Is the hypothesis test a one-tailed or two-tailed test?

A. It is a two-tailed test since the null hypothesis states that the parameter is not equal to the hypothesized valued.

B. It is a two-tailed test since the alternative hypothesis states that the parameter is not equal to the hypothesized value.

C. It is a one-tailed test since the alternative hypothesis states that the parameter is greater than the hypothesized value.

D. It is a one-tailed test since the alternative hypothesis states that the parameter is not equal to the hypothesized value.

E. It is a two-tailed test since the alternative hypothesis states that the parameter is greater than they hypothesized value.

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  1. 30 August, 20:49
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