Q2. We wish to test an effect of a drug that claimed to improves the patients with 90% of chance. The drug is given to 20 patients and we observed the number Y of people who improved. The hypothesis is Ho p = 0.9 vs H₁: p < 0.9. Use the rejection region RR = {y ≤ 17} and answer question a-e. a) b) c) d) e) [ State type I error using Y and p. Find a. State type II error using Y and p. Find the rejection region {y

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