Answer:
And we have that :
And replacing we got:
And finally we have:
Step-by-step explanation:
For this case we have the following probability masss function given:
Y 0 1 2 3
p(Y) 0.6 0.25 0.10 0.05
And we can define the surcharge with this expression
We want to find the expected value for the last expression and we can do it on this way:
And we have that :
And replacing we got:
And finally we have:
A) No, the root 3 has multiplicity of 3.
B) No, there are two imaginary solutions.
C) No, the root −2 has multiplicity of 3.
D) Yes, the Fundamental Theorem of Algebra does not apply to this equation.
Answer:
option c. figure b.......