Question 15 (1 point) A cohort study (n=1200) exploring the association between second-hand smoke exposure and lung canc

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Question 15 1 Point A Cohort Study N 1200 Exploring The Association Between Second Hand Smoke Exposure And Lung Canc 1 (64.23 KiB) Viewed 90 times

Question 15 (1 point) A cohort study (n=1200) exploring the association between second-hand smoke exposure and lung cancer risk found a moderate increase in risk (RR 1.85 p = 0.07). Which of the following is correct regarding the result? a) The association may not be true in the study population. b) Random sampling error is not occurring in this study. c) We can reject the null hypothesis. d) The p-value suggests there is no association in the study sample. Question 16 (1 point) Herd immunity is more difficult to achieve through vaccination when: a) The proportion of cases who die for the disease is high. b) The R naught value is low. c) The R naught value is less than 1.0. d) The R naught value is high.