+0  
 
0
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What is the expected value of X?


X    0         1         2         3         4
P    0.2    0.05    0.15    0.35    0.25

 

 

 

 

a. 2


b.2.25


c.2.4


d. 2.75

 Jan 30, 2020
 #1
avatar+18875 
+1

To find the expected value mutiply each value (X) by the probability that it occurs (P).

Then add all those answers together.

 Jan 30, 2020

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