b) Suppose that X₁ and X₂ have the joint probability density function defined as f(x1, x₂) = {(Wx1x2, (Wx1x2, 0≤x₁ ≤ 1, 0 ≤ x₂ ≤ 1 elsewhere Find: i) the value of w that makes f(x₁, x₂) a probability density function. ii) the joint cumulative distribution function for X₁ and X2. ) P (X₁ ≤ 1/1 X ₂ ≤ 2²/).

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A: As per bartleby guidelines we can solve only first three subparts and rest can be reposted

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A: As per bartleby guidelines we can solve only first three subparts and rest can be reposted