+0  
 
0
144
1
avatar+1387 

https://i.imgur.com/vDXFERY.jpg

 Apr 12, 2019
 #1
avatar+106519 
+2

P(Detective  )   =  [ 12 + 20 ] / 91   = .35

 

P(Hardcover) = [ 12 + 8 + 9 ] /91  = .32

 

P (Paperback Detective)  = 20 / 91 = .22

 

P ( Paperback or Detective )  =  [  62 + 32 - 20 ] / 91  = .59

 

P(Not a Detective)  = [91 - 32 ] / 91  = .65

 

 

cool cool cool

 Apr 12, 2019

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