In the following situations, is the alternative hypothesis one-sided or two-side

Question

In the following situations, is the alternative hypothesis one-sided or two-sided? What are the hypotheses? a) A college dining service wants to know if students prefer plastic or metal cutlery. They conduct a survey to find out b) A company wants to know if the average click-through rates (in minutes) are shorter than the 5.7 minutes that customers spent on their old website before making a purchase a) The altermative hypothesis is Let p be the percentage of students who prefer plastic. What are the hypotheses? O A. Ho p 05vs. HA p0.5 O C. Ho p 0.5 vs. HAP 05 D. Ho:p=0.5 vs HA.p#0.5 O G. Ho p 05 vs HAP

Explanation / Answer

Solution:-
a) The alternative hypothesis is two-sided

=> option D.

b) The alternative hypothesis is one-sided

=> option B.

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