The table below summarizes the results from an observational study that followed a random sample of 8,474 people for about four years. All participants were free from heart disease at the beginning of the study. The variable Anger categorizes participants as Low Anger, Moderate Anger, High Anger based on the Speilberger Trait Anger Scale test, which measures how prone a person is to sudden feelings of CHD stands for coronary heart disease, which is a count of the people who had heart attacks or needed medical attention for heart disease during the study.

Low Anger

Moderate Anger

High Anger

Total

CHD

53

110

27

190

No CHD

3,057

4,621

606

8,284

Total

3,110

4,731

633

8,474

Are the events CHD and High Anger independent? Show your work and answer the question in the textbox below; no need to write on your paper.

You may use the probability you found in the previous question without duplicating the work already done. Feel free to calculate additional probability as needed.

Question 14 1 pts The table below summarizes the results from an observational study that followed a random sample of 8,474 people for about four years. All participants were free from heart disease at the beginning of the study. The variable Anger categorizes participants as Low Anger, Moderate Anger, High Anger based on the Speilberger Trait Anger Scale test, which measures how prone a person is to sudden feelings of CHD stands for coronary heart disease, which is a count of the people who had heart attacks or needed medical attention for heart disease during the study. Low Anger Moderate Anger High Anger Total CHD 53 110 27 190 No CH D 3.05? 4.621 606 8,284 Total 3, 1 10 4.73 1 633 8,474 Are the events CHD and High Anger independent? Show yourwork and answer the question in the textbox below; no need to write on your paper. You may use the probability you found in the previous question without duplicating the work already done. Feel free to calculate additional probability as needed