Question

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.

Answer 1

Answer:

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