Stochastic Processes problem












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I have already solved the problem but only up to the 2nd part, I can't equate directly the 3rd part but i don't know how to explain the reason behind it where k=0 then the greater than or equal to will only become greater than.image here



Another pic is my answer
my answer










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  • 1




    $begingroup$
    Just write out the first few terms.
    $endgroup$
    – maridia
    Dec 6 '18 at 3:54
















0












$begingroup$


I have already solved the problem but only up to the 2nd part, I can't equate directly the 3rd part but i don't know how to explain the reason behind it where k=0 then the greater than or equal to will only become greater than.image here



Another pic is my answer
my answer










share|cite|improve this question











$endgroup$








  • 1




    $begingroup$
    Just write out the first few terms.
    $endgroup$
    – maridia
    Dec 6 '18 at 3:54














0












0








0





$begingroup$


I have already solved the problem but only up to the 2nd part, I can't equate directly the 3rd part but i don't know how to explain the reason behind it where k=0 then the greater than or equal to will only become greater than.image here



Another pic is my answer
my answer










share|cite|improve this question











$endgroup$




I have already solved the problem but only up to the 2nd part, I can't equate directly the 3rd part but i don't know how to explain the reason behind it where k=0 then the greater than or equal to will only become greater than.image here



Another pic is my answer
my answer







stochastic-processes summation-method






share|cite|improve this question















share|cite|improve this question













share|cite|improve this question




share|cite|improve this question








edited Dec 6 '18 at 4:18







rodiil

















asked Dec 6 '18 at 3:50









rodiilrodiil

12




12








  • 1




    $begingroup$
    Just write out the first few terms.
    $endgroup$
    – maridia
    Dec 6 '18 at 3:54














  • 1




    $begingroup$
    Just write out the first few terms.
    $endgroup$
    – maridia
    Dec 6 '18 at 3:54








1




1




$begingroup$
Just write out the first few terms.
$endgroup$
– maridia
Dec 6 '18 at 3:54




$begingroup$
Just write out the first few terms.
$endgroup$
– maridia
Dec 6 '18 at 3:54










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