+0  
 
+1
182
3
avatar+30 
x 2 3 4 5
P(x) 0.2 0.4 0.1 0.3
 Apr 20, 2019
 #1
avatar+19921 
0

[2(.2) + 3(.4) + 4(.1) + 5(.3) = 3.5    (I think!)

 Apr 20, 2019
 #2
avatar+30 
+1

It was, thank you

treeko  Apr 20, 2019
 #3
avatar+34 
+1

I got 3.500

 Apr 20, 2019

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