2) assume you build a candy castle for which you buy a bag of gummy bears, a block of chocolate and a bag of nuts. the weight of the three ingredients is a random variable (x1, x2 and x3) with mean weights μ1 = 200 gram, μ2 = 400 gram and μ3 = 150 gram. the bags and blocks are not measured top perfection so the standard deviation of the three is σ1 = 10, σ2 = 8 and σ3 = 15. the weight of the three ingredients is normally distribut"