a) Suppose that, for −1 ≤ x ≤ 1, the probability density function of (X₁, X₂) is given by f(x₁, x₂) = {11 - ([1 − α(1 – 2e¯x¹)(1 − 2e¯x²)]ex₁-x2 otherwise ,0 ≤ x₁,0 ≤ x₂. 0, i) Find the marginal distribution of X₁. ii) Find E(X₁X₂).
a) Suppose that, for −1 ≤ x ≤ 1, the probability density function of (X₁, X₂) is given by f(x₁, x₂) = {11 - ([1 − α(1 – 2e¯x¹)(1 − 2e¯x²)]ex₁-x2 otherwise ,0 ≤ x₁,0 ≤ x₂. 0, i) Find the marginal distribution of X₁. ii) Find E(X₁X₂).
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.1: Continuous Probability Models
Problem 16E
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