section_problems_6_fall11 - R (rounded to four decimal...

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Section Problems #6 Round all of your final answers to four decimal places if necessary. #1) Consider the joint probability distribution of X and Y : X =0 X =1 Total Y =0 0.3 0.2 0.5 Y =1 0.1 0.4 0.5 Total 0.4 0.6 1 What is ρ XY ? #2) Consider the following information about random variables X and Y : μ X = 10 σ X = 6 μ Y = 11 σ Y = 9 ρ = -0.5 Consider another random variable: R = 0.2 X - 0.8 Y . What is σ
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Unformatted text preview: R (rounded to four decimal places )? From book: 4.60 (page 269) 4.60 part d ) What is the probability that a majority of the randomly chosen residents are foreign-born? 4.76 and 4.82 (page 276) 4.92 (page 277) 4.92 part b ) What are the mean and standard deviation of the total loss for 10 policies?...
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