A clinical study was made to determine the side effects of Terazosin, a drug used to control hypertension. The study consisted of 859 patients on Terazosin and 506 on placebo. During the control time period each person was asked to keep track of general body ailments (headache, backache, asthenia). Of the 859 on Terazosin therapy, 139 complained of general ailments. Of the 506 on placebo, 80 complaints were registered. In comparing the two groups, which of the following are the correct null and alternative hypotheses to determine if a warning of general body ailments be issued to patients on Terazosin ?

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