You are given the following information about a book of business comprised of 100 insureds: N, (i) X, =E Y, is a random variable representing the annual loss of the f insured. J=1 N,, N2, ., N100 are independent random variables distributed according to a negative binomial distribution with parameters r (unknown) and ß = 0.2. (ii) (ii) Unknown parameter r has an exponential distribution with mean 2. Yn, Y2, .., YN, are independent random variables distributed according to a Pareto distribution with a = 3.0 and 0 = 1000. (iv) %3D Determine the Bühlmann credibility factor 7 for the book of business

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