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What is the expected value of X?

 

X    0          4        8        12      16
P    0.15    0.25    0.5    0.05    0.05

 

 

4.0


6.4


7.9


8.0

 Feb 17, 2020

Best Answer 

 #1
avatar+18976 
+1

Take  X  times  P  for each ordered pair and add the results.

 

Answer  =  (0)(0.15)  +  (4)(0.25)  +  (8)(0.50)  +  (12)(0.05)  +  (16)(0.05)

 Feb 17, 2020
 #1
avatar+18976 
+1
Best Answer

Take  X  times  P  for each ordered pair and add the results.

 

Answer  =  (0)(0.15)  +  (4)(0.25)  +  (8)(0.50)  +  (12)(0.05)  +  (16)(0.05)

geno3141 Feb 17, 2020

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