hey guys/gals i have been given this cw question however i spent ages and can't seem to get my head around it can some one give me a hand(adsbygoogle = window.adsbygoogle || []).push({});

" the number N of wrecks in a particular area of sea off the Cornish coast has a poisson distribution with mean [tex]\propto[/tex] . the probability that a wreck is known is p . Let X denote the number of known wrecks

(a) state the conditional distribution of X given N=n

(b) Find the Marginal Distribution of X "

thats the question now i think (a) has some hting to do with Binonial distribution

but i am complety stummped on (b)

any help would be great

thanks

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# Homework Help: Stats distribution

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