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3. Let X₁, X, and X, be a random sample of size n=3 from a distribution with p.m.f. Construct a) b) P(X=x)=- ; x = 1, ; x = 2. the probability mass function of X = X₁ + X₂ + X₂ 3 the probability mass function of S² = 1 Σ(X,-X)² 2

3. Let X₁, X, and X, be a random sample of size n=3 from a distribution with p.m.f. Construct a) b) P(X=x)=- ; x = 1, ; x = 2. the probability mass function of X = X₁ + X₂ + X₂ 3 the probability mass function of S² = 1 Σ(X,-X)² 2

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 35E
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3. Let X₁, X, and X, be a random sample of size n=3 from a distribution with p.m.f. Construct a) b) P(X=x)= X ; x = 1, the probability mass function of X₁ + X₂ + X₂ 2 3 the probability mass function of ; x = 2. S² == Σ(x,-X)² 2
Transcribed Image Text:3. Let X₁, X, and X, be a random sample of size n=3 from a distribution with p.m.f. Construct a) b) P(X=x)= X ; x = 1, the probability mass function of X₁ + X₂ + X₂ 2 3 the probability mass function of ; x = 2. S² == Σ(x,-X)² 2
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