Question

Question B 1-7 please

4. Swor et al. (A-9) looked at the effectiveness of cardiopul monary 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 3 months after training. The table below shows the skill retention numbers in regard to overall com petence as assessed by video ratings done by two video evaluators

Answer 1

Solution:

The equation 1. is a true statement.

The equation 2. is a true statement.

The equation 3. is not a true statement.

The equation 4. is not a true statement.

Soim a Subiec enrolled m the C PR COurAe M the Cc-CPR ourse B- a aubject enrolled War evaluatd a subject as Competent wan enaluatd an not compedend a Aubject D = 1. PLANE) = PcenAS Tha abone eawation 1n a trua tatemant obrjoiot A and C As not are ano plcnA) +0 Frem the nan table PlANE) ancd P CenA) - 12/27 12/27 Thanefora PCAnc) PCENA) 2. PCAUB PC BUA) the abone eanation i a tnue tatemant PCAUE) =PCA)+pC-PCANE) An A and B are adinjoind PCANB)o 27 56 PAJ- n(A) and P() ne 17 27 P(AUB) PA PE) 56 PCB)+ PLA) 29 56 27 PCBUA) = + = 1 56 Tharafine PCAUE)= PisUA)

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P CA)=PCAU PCAUD) The abone trua Statamant net eauation in a alinjoin A and D AA ake not and C anot and plAn D) #O PLANC) O 27 56 PA) O.48 1 n(D) n(s) P (e)- 27 and Pl 29 S6 and PCAND 15/23 PCANE)=12/2 PLANCO= PA) + pe- pCane - 27 56 12 27 27 786 S12 =0.52 PLAD PD)-PIAND) PCAUD) 27 2 + 27 O 44 PLAUC) PCAUD)= 0.96 PlA) 4. PC BUC) = PCB) + PC in not atrua steka mant epatian not dnjomt The abone ahe B and C An PCBNC) O = P) PC- PCBne) AA. PCBUC Canne i Pi BAF P(Bnc) 0 the &tate mans Smce, be writen PLBUC)=PB+ PC