'For certain community; study proposed to investigate the proportion of adults who smoke cigarettes higher than the national rate_ A sample of adults from that that community is to be selected with the objective of determining if subject is classified as cigarette smoker; The study is to be carried out at the 0.01 significance level: For the community in question, assume the proportion of adults who smoke cigarettes no different than the national rate_ What is the probability of Type ertor? (Answer as decima proportion two digits beyond the decimal ) Using some older survey data for this community and the reported national rate_ the power of the study is calculated to be 0.841 (84.1%). What is the probability of Type Il error? (Answer as decimal proportion rounded to three digits beyond the decimal as needed:)'
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The null hypothesis is that the proportion of adults who smoke cigarettes in the community is the same as the national rate, while the alternative hypothesis is that the proportion is higher than the national rate. Null hypothesis: p = p0 (where p0 is the Show more…
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