SOLUTION: Find Expected Value for the random variable with the following probability distribution: x 0 1 2 3 4 P(x) 0.1 0.2 0.3 0.3 0.1

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Question 1085128: Find Expected Value for the random variable
with the following probability distribution:
x 0 1 2 3 4
P(x) 0.1 0.2 0.3 0.3 0.1

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
E(X)=x*p(x)
=0*0.1=0
+1*0.2=0.2
+2*0.3=0.6
+3*0.3=0.9
+4*0.1=0.4
=2.1