Respuesta :
Expected value of a discrete random variable is:
E(X) = ∑ XiPi
E(X) = 0(0.2) + 1(0.1) + 2(0.4) + 3(0.2) + 4(0.1)
E(X) = 0 + 0.1 + 0.8 + 0.6 + 0.4
E(X) = 1.9
In short, Your Answer would be 1.9
Hope this helps!
E(X) = ∑ XiPi
E(X) = 0(0.2) + 1(0.1) + 2(0.4) + 3(0.2) + 4(0.1)
E(X) = 0 + 0.1 + 0.8 + 0.6 + 0.4
E(X) = 1.9
In short, Your Answer would be 1.9
Hope this helps!
Answer: Hence, the expected value of x is 1.9.
Step-by-step explanation:
Since we have given that
x Probability
0 0.2
1 0.1
2 0.4
3 0.2
4 0.1
So, The expected value of x is given by
[tex]E(x)=\sum xp(x)\\\\E(x)=0\times 0.2+1\times 0.1+2\times 0.4+3\times 0.2+4\times 0.1\\\\E(x)=0+0.1+0.8+0.6+0.4\\\\E(x)=1.9[/tex]
Hence, the expected value of x is 1.9.
