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1. Consider a ferry that can carry both buses and cars across a waterway. Each trip costs the owner approximately $12. The fee for cars is $2 and the fee for buses is $7. Let X and Y denote the number of buses and cars, respectively, carried on a given trip. The joint distribution of X and Y is given by Y/X 1 2 0.01 0.03 0.01 0.03 0.07 0.08 Y 0.03 0.06 0.06 3 0.07 0.13 0.07 4 0.12 0.03 0.04 0.08 0.02 0.06 D. Find E(X), E(Y), Var(X), Var(Y), a(x), o(y), marginal density for x and y E. Are X and Y independent, show your solution F. Find the correlation between X and Y variable and interpret your findings, show your solution. 5,

1. Consider a ferry that can carry both buses and cars across a waterway. Each trip costs the owner approximately $12. The fee for cars is $2 and the fee for buses is $7. Let X and Y denote the number of buses and cars, respectively, carried on a given trip. The joint distribution of X and Y is given by Y/X 1 2 0.01 0.03 0.01 0.03 0.07 0.08 Y 0.03 0.06 0.06 3 0.07 0.13 0.07 4 0.12 0.03 0.04 0.08 0.02 0.06 D. Find E(X), E(Y), Var(X), Var(Y), a(x), o(y), marginal density for x and y E. Are X and Y independent, show your solution F. Find the correlation between X and Y variable and interpret your findings, show your solution. 5,

Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter2: Systems Of Linear Equations
Section2.4: Applications
Problem 26EQ
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1. Consider a ferry that can carry both buses and cars across a waterway. Each trip costs the owner approximately $12. The fee for cars is $2 and the fee for buses is $7. Let X and Y denote the number of buses and cars, respectively, carried on a given trip. The joint distribution of X and Y is given by Y/X 1 2 0.01 0.03 0.01 0.03 0.07 0.08 Y 2 0.03 0.06 0.06 0.07 0.13 0.07 0.12 0.03 0.04 0.08 0.02 0.06 D. Find E(X), E(Y), Var(X), Var(Y), a(x), o(y), marginal density for x and y E. Are X and Y independent, show your solution F. Find the correlation between X and Y variable and interpret your findings, show your solution. 5,
Transcribed Image Text:1. Consider a ferry that can carry both buses and cars across a waterway. Each trip costs the owner approximately $12. The fee for cars is $2 and the fee for buses is $7. Let X and Y denote the number of buses and cars, respectively, carried on a given trip. The joint distribution of X and Y is given by Y/X 1 2 0.01 0.03 0.01 0.03 0.07 0.08 Y 2 0.03 0.06 0.06 0.07 0.13 0.07 0.12 0.03 0.04 0.08 0.02 0.06 D. Find E(X), E(Y), Var(X), Var(Y), a(x), o(y), marginal density for x and y E. Are X and Y independent, show your solution F. Find the correlation between X and Y variable and interpret your findings, show your solution. 5,
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