The Women's Health Study included 39,876 female health professionals aged 45 years and older who were followed for an average of 10 years (Ridker et al., 2005). At the beginning of the study, participants were randomly assigned to take either a daily low-dose aspirin or a daily placebo pill for the duration of the study. At the end of the study, researchers measured the number of participants that suffered from a heart attack during the study. Data are summarized in the following table.
-Use the Theory-Based Inference applet to find a 90% confidence interval for the difference in probability of suffering a heart attack between the two groups (aspirin - placebo).
(___(1)___, ___(2)___)

Question

The Women's Health Study included 39,876 female health professionals aged 45 years and older who were followed for an average of 10 years (Ridker et al., 2005). At the beginning of the study, participants were randomly assigned to take either a daily low-dose aspirin or a daily placebo pill for the duration of the study. At the end of the study, researchers measured the number of participants that suffered from a heart attack during the study. Data are summarized in the following table. 
-Use the  Theory-Based Inference applet to find a 90% confidence interval for the difference in probability of suffering a heart attack between the two groups (aspirin - placebo).
(___(1)___, ___(2)___)

Quizplus · Accepted Answer

The Answer of The Women's Health Study included 39,876 female health professionals aged 45 years and older who were followed for an average of 10 years (Ridker et al., 2005). At the beginning of the study, participants were randomly assigned to take either a daily low-dose aspirin or a daily placebo pill for the duration of the study. At the end of the study, researchers measured the number of participants that suffered from a heart attack during the study. Data are summarized in the following table. 
-Use the  Theory-Based Inference applet to find a 90% confidence interval for the difference in probability of suffering a heart attack between the two groups (aspirin - placebo).
(___(1)___, ___(2)___)

The Women's Health Study Included 39,876 Female Health Professionals Aged