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Find the expected value E(X), the variance Var{X) and the standard deviation 000 for the density function. f(x) = 0.04500\" on [0. +00) {-116.66 Points] DETAILS WAN EFMACG P.3.063. Assuming that workers' salaries in your company are uniformly distributed between $25,000 and $40,000 per year, calculate the average salary in your company. $:l [-I16.7 Points] DETAILS WANEFMACS P3366. Investments in junk bonds are declining continuously at a rate of 1% per year. How long will an average dollar remain invested in junk bonds? :ler