Suppose that during the 1900s , the mortality rate for lung cancer was twenty - eight per 40000 people . At the turn of the twenty - first century following the establishment of newer treatments and improvements in public health advertising , a random sample of 22500 people showed on eight deaths from lung cancer per 40000 people . Test at the 0.01 significance level whether these data are proof of a decrease in the mortality rate for lung cancer . What are the hypothesis ? Round answers to four decimal places H_{0} / p; H_{1} / p 2. W hat is the critical value associated with the level of significance, which is used in the decision rule? (Round to two-decimals. If this is a two- tailed test, provide a positive value) Critical Value = 3. What is the calculated statistic? (Round your final answer to three- decimals. TestStatistic = 4. What is your decision ? H_{D} There information to prove a decrease in the mortality rate for lung cancer, at the 0.01 significance level