variabel acak dan ekspektasi ( random variable and expectation )

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Ir. I Nyoman Setiawan, MT VARIABEL ACAK DAN EKSPEKTASI (Random Variable and Expectation) 1. Sheldon M Ross, Introduction Probability and Statistics for Engineers and Scientists, 2004 2. Oliver C. Ib, Fundamentals of Applied Probability and Random Proceses, 2005 3. John A Gubner, Probability and random Processes for Electrical and Computer Engineers, 2006 4. KA Stroud, Engineering Mathematics ,2001

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VARIABEL ACAK DAN EKSPEKTASI ( Random Variable and Expectation ). Sheldon M Ross, Introduction Probability and Statistics for Engineers and Scientists , 2004 Oliver C. Ib, Fundamentals of Applied Probability and Random Proceses , 2005 - PowerPoint PPT Presentation

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Page 1: VARIABEL ACAK DAN EKSPEKTASI ( Random Variable and Expectation )

Ir. I Nyoman Setiawan, MT

VARIABEL ACAK DAN EKSPEKTASI (Random Variable and Expectation)

1. Sheldon M Ross, Introduction Probability and Statistics for Engineers and Scientists, 2004

2. Oliver C. Ib, Fundamentals of Applied Probability and Random Proceses, 2005

3. John A Gubner, Probability and random Processes for Electrical and Computer Engineers, 2006

4. KA Stroud, Engineering Mathematics ,2001

Page 2: VARIABEL ACAK DAN EKSPEKTASI ( Random Variable and Expectation )

Ir. I Nyoman Setiawan, MT

Pengertian Variabel Acak (Random Variable)

Variabel acak (Random Variable) adalah suatu fungsi yang mengaitkan suatu bilangan real pada setiap unsur ruang sampel

Page 3: VARIABEL ACAK DAN EKSPEKTASI ( Random Variable and Expectation )

Ir. I Nyoman Setiawan, MT

Page 4: VARIABEL ACAK DAN EKSPEKTASI ( Random Variable and Expectation )

Ir. I Nyoman Setiawan, MT

Page 5: VARIABEL ACAK DAN EKSPEKTASI ( Random Variable and Expectation )

Ir. I Nyoman Setiawan, MT

Fungsi Distribusi Kumulatif (Cumulatif Distribution Function /CDF)

Page 6: VARIABEL ACAK DAN EKSPEKTASI ( Random Variable and Expectation )

Ir. I Nyoman Setiawan, MT

Properties Fx(x)

Page 7: VARIABEL ACAK DAN EKSPEKTASI ( Random Variable and Expectation )

Ir. I Nyoman Setiawan, MT

Contoh :

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Ir. I Nyoman Setiawan, MT

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Ir. I Nyoman Setiawan, MT

Penyelesaian :

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Ir. I Nyoman Setiawan, MT

Variabel Acak Diskret (Discrete Random Variable)

Fungsi Masa Probabilitas (Probability Mass Function/PMF)

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Ir. I Nyoman Setiawan, MT

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Penyelesaian :

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Ir. I Nyoman Setiawan, MT

Penyelesaian :

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Ir. I Nyoman Setiawan, MT

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Ir. I Nyoman Setiawan, MT

Variabel Acak Kontinu (Continuous Random Variable)

Fungsi Padat Probabilitas (Probability Dencity Function/PDF)

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Ir. I Nyoman Setiawan, MT

Properties dari fx (x)

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Ir. I Nyoman Setiawan, MT

Contoh :

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Ir. I Nyoman Setiawan, MT

Penyelesaian :

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Ir. I Nyoman Setiawan, MT

Penyelesaian :

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Ir. I Nyoman Setiawan, MT

Ekspektasi (Expectation)

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Ir. I Nyoman Setiawan, MT

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Ir. I Nyoman Setiawan, MT

Contoh :

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Ir. I Nyoman Setiawan, MT

Moment

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Ir. I Nyoman Setiawan, MT

Central Moment ke n

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Contoh :

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Ir. I Nyoman Setiawan, MT

Penyelesaian :

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Ir. I Nyoman Setiawan, MT

Penyelesaian :

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Ir. I Nyoman Setiawan, MT

Penyelesaian :

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Ir. I Nyoman Setiawan, MT

Contoh :

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Penyelesaian :