+0  
 
0
314
3
avatar+125 

the X shows- 0,1,2,3,4

and the P-shows- 0.35 , 0.25 ,  0.05,   0.2,   0.15

which choice is the expected value of X

A  2

B 1.3

C 2.025

D 1.55

 Apr 10, 2019
 #1
avatar+111456 
+2

Exp Value   = (0)(.35)  + (1)(.25) + (2)(.05) + (3)(.2) + (4)(.15)  = 1.55

 

 

cool cool cool

 Apr 10, 2019
 #2
avatar+1014 
-2

Great Job C-Phill (:

wink

Nickolas  Apr 10, 2019

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