K kidia New member Joined Apr 11, 2006 Messages 27 Apr 11, 2007 #1 I need an assistance in this one: Show that the factorial moment of generating function of the distribution f(x) = . . .{(e^-2*2^x)/x!, for x = 0, 1, 2, 3, 4,... . . .{0 , for x elsewhere. is e^2(t-1) , and hence determine it mean and variance.
I need an assistance in this one: Show that the factorial moment of generating function of the distribution f(x) = . . .{(e^-2*2^x)/x!, for x = 0, 1, 2, 3, 4,... . . .{0 , for x elsewhere. is e^2(t-1) , and hence determine it mean and variance.
R royhaas Full Member Joined Dec 14, 2005 Messages 832 Apr 11, 2007 #2 Just compute the expected value of t^x.
K kidia New member Joined Apr 11, 2006 Messages 27 Apr 12, 2007 #3 royhaas said: Just compute the expected value of t^x. Click to expand... Please Royhaas can u clarify more?
royhaas said: Just compute the expected value of t^x. Click to expand... Please Royhaas can u clarify more?