7. A clinical trial was conducted to test the effectiveness ofa new drug designed to treat allergies. Subjects were randomly assigned to receive either the new drug or a currently approved over thecounter medication for one month. Data collected from the study indicated that 16? of the 200 subjects treated with the over-the-counter medication reported a reduction in their allergy symptoms while 185 of the 200 subjects treated with the new drug reported a reduction in their allergy symptoms. Do these results appear to support the claim that the new drug is more effective at reducing allergy symptoms compared to the overthe-counter treatment? Use a significance level of 0.05. a State the null and alternative hypotheses. b Is the test two-tailed, lefttailed, or right-tailed? c. What is the test statistic? d. What isfare the critical valuelsj? e Do you reject the null hypothesis? f. What is the final conclusion? 8. In an investigation ofa new chemotherapeutic drug, lung tumor volumes were assessed after treatment in 5 males and 4 females. Defaultihg to a 0.05 significance level, is there any evidence of gender differences between treatment responses? Reduction in Tumor Volume immfj Males Females 10 22 13 23 2? 2 5 25 22 State the null and alternative hypotheses. Is the test two-tailed, lefttailed, or right-tailed? What is the test statistic? What lsfare the critical valuels]? Do you reject the null hypothesis? What is the final conclusion? rhm 0.5159