Answered: y₁ = x1₁¡B₁ + x2iß₂ + εi where x₁ is… | bartleby

College Algebra (MindTap Course List)

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter6: Linear Systems

Section6.2: Guassian Elimination And Matrix Methods

Problem 84E: Explain the differences between Gaussian elimination and Gauss-Jordan elimination.

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what is x'?

Yi = x₁1¡B₁ + x2iß2 + εi
where x₁ is exogenous and x2 is endogenous

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Explain the differences between Gaussian elimination and Gauss-Jordan elimination.
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At the Blood Bank, they know that O+blood is the most common blood type and that 40% of the people are known to have 0+blood. Blood type A- is a very scarce blood type and only 6% of the people have A- blood. Half of the people have blood type A or B. Let: X = number of people who have blood type O+ Y = number of people who have blood type A- Z = number of people who have blood type A or B a) Consider a random sample of n = 12 people who donated blood over the past three months. The expected number of people with blood type O+is and the expected number of people with blood type A-is Round your answers to 2 decimal places. Calculate the following probabilities: P(X = 9) Round your answer to 4 decimal places. o P(X > 3) = Round your answer to 4 decimal places.
why is the x3 was chosen as the free variable? is that always gonna be the case?

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