MAT 12 - Chapter 9 Practice Problems Section 9.1 Cardiac Arrest at Day and Night-A study investigated survival rates for in-hospital patients who suffered cardiac arrest. Among 58593 patients who had cardiac arrest during the day, 11604 survived and were discharged. Among 28155 patients who suffered cardiac arrest at night, 4139 survived and were discharged (based on data from "Survival from In-Hospital; Cardiac Arrest During Nights and Weekends", by Peberdy et al. Journal of the American Medical Association, Vol. 299, No.7). We want to use a 0.01 significance level to test the claim that the survival rates for patients who suffered from cardiac arrest are the same during the day and night. a) Test the claim using a hypothesis test with the P-value method. b) Test the claim by constructing an appropriate confidence interval.
MAT 12 - Chapter 9 Practice Problems Section 9.1 Cardiac Arrest at Day and Night-A study investigated survival rates for in-hospital patients who suffered cardiac arrest. Among 58593 patients who had cardiac arrest during the day, 11604 survived and were discharged. Among 28155 patients who suffered cardiac arrest at night, 4139 survived and were discharged (based on data from "Survival from In-Hospital; Cardiac Arrest During Nights and Weekends", by Peberdy et al. Journal of the American Medical Association, Vol. 299, No.7). We want to use a 0.01 significance level to test the claim that the survival rates for patients who suffered from cardiac arrest are the same during the day and night. a) Test the claim using a hypothesis test with the P-value method. b) Test the claim by constructing an appropriate confidence interval.
MATLAB: An Introduction with Applications
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Transcribed Image Text:MAT 12 - Chapter 9 Practice Problems
Section 9.1
Cardiac Arrest at Day and Night-A study investigated survival rates for in-hospital patients who suffered
cardiac arrest. Among 58593 patients who had cardiac arrest during the day, 11604 survived and were
discharged. Among 28155 patients who suffered cardiac arrest at night, 4139 survived and were discharged
(based on data from "Survival from In-Hospital; Cardiac Arrest During Nights and Weekends", by Peberdy et al., Journal
Of the American Medical Association, Vol. 299, No.7). We want to use a 0.01 significance level to test the claim
that the survival rates for patients who suffered from cardiac arrest are the same during the day and night.
a) Test the claim using a hypothesis test with the P-value method.
b) Test the claim by constructing an appropriate confidence interval.
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