
#1
Nov1312, 03:12 PM

P: 1

given m(t) = (1p+p*e^t)^5
what is probability P(x<1.23) i know that m(t) = e^tx * f(x) m'(0) = E(X) and m''(0) , can find the var(x) should i calculate it using a normal table? 



#2
Nov1312, 04:35 PM

HW Helper
Thanks
P: 4,670

Why would you use a normal table when the random variable is very far from normal? You can actually work out explicitly what is the distribution by expanding out the power and collecting terms in e^(kt) for k = 0,1,2,3,4,5. RGV 


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