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+0  
 
0
189
1
avatar+2448 

0.2?

 Apr 16, 2018
 #1
avatar+100519 
+2

Here's my best attempt, RP

 

P (Vaccinated  or Flu/No Vaccine)  =  P ( Vaccinated) + P(Flu/No Vaccine) -

                                                            P( Vaccinated  ∩ Flu/No Vaccine )     =

 

                                                           (219 / 490 )  + (26/ 490)  -   (0/290)  =

 

 

                                                           245 / 490   =   1/2   =  .50

 

 

cool cool cool

 Apr 16, 2018

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