Swor et al looked at the effectiveness of cardiopulmonary resuscitation (CPR) training in people over 55 years old. They compared the skill retention rates of subjects in this age group who completed a course in traditional CPR instruction with those who received chest- compression only cardiopulmonary resuscitation (CC-CPR). Independent groups were tested three months after training. The table below shows the skill retention numbers in regard to overall competence as assessed by video ratings done by two video evaluators. Ref: Resuscitation 2003:58:177-185. If we define the following events as: A = a subject enrolled in the CPR course B = a subject enrolled in the CC-CPR course C = a subject was evaluated as competent D = a subject was evaluated as not competent Rated Overall Competent Yes No Total CPR 12 15 27 CC-CPR Total 15 27 14 29 29 56 Is each of the following events is a true statement? If not, explain (1 sentence). a. P(ANC)=P(CNA) b. P(A)=P(AUC) + P(AUD) Find the following probabilities, and explain what they mean in words: d. P(A/C) e. P(CA) f. P(D) Are A and B... h. mutually exclusive? c. P(CNB)=P(C)*P(B) g. P(Ac) i. independent?

Swor et al looked at the effectiveness of cardiopulmonary resuscitation (CPR) training in people over 55 years old. They compared the skill retention rates of subjects in this age group who completed a course in traditional CPR instruction with those who received chest- compression only cardiopulmonary resuscitation (CC-CPR). Independent groups were tested three months after training. The table below shows the skill retention numbers in regard to overall competence as assessed by video ratings done by two video evaluators. Ref: Resuscitation 2003:58:177-185. If we define the following events as: A = a subject enrolled in the CPR course B = a subject enrolled in the CC-CPR course C = a subject was evaluated as competent D = a subject was evaluated as not competent Rated Overall Competent Yes No Total CPR 12 15 27 CC-CPR Total 15 27 14 29 29 56 Is each of the following events is a true statement? If not, explain (1 sentence). a. P(ANC)=P(CNA) b. P(A)=P(AUC) + P(AUD) Find the following probabilities, and explain what they mean in words: d. P(A/C) e. P(CA) f. P(D) Are A and B... h. mutually exclusive? c. P(CNB)=P(C)*P(B) g. P(Ac) i. independent?

Intro To Health Care

4th Edition

ISBN:9781337338295

Author:Mitchell

Publisher:Mitchell

Chapter8: Growth And Development

Section: Chapter Questions

Problem 1PSP

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