ir. i nyoman setiawan, mt variabel acak dan ekspektasi (random variable and expectation) 1. sheldon...

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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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Page 1: Ir. I Nyoman Setiawan, MT VARIABEL ACAK DAN EKSPEKTASI (Random Variable and Expectation) 1. Sheldon M Ross, Introduction Probability and Statistics for

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: Ir. I Nyoman Setiawan, MT VARIABEL ACAK DAN EKSPEKTASI (Random Variable and Expectation) 1. Sheldon M Ross, Introduction Probability and Statistics for

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: Ir. I Nyoman Setiawan, MT VARIABEL ACAK DAN EKSPEKTASI (Random Variable and Expectation) 1. Sheldon M Ross, Introduction Probability and Statistics for

Ir. I Nyoman Setiawan, MT

Page 4: Ir. I Nyoman Setiawan, MT VARIABEL ACAK DAN EKSPEKTASI (Random Variable and Expectation) 1. Sheldon M Ross, Introduction Probability and Statistics for

Ir. I Nyoman Setiawan, MT

Page 5: Ir. I Nyoman Setiawan, MT VARIABEL ACAK DAN EKSPEKTASI (Random Variable and Expectation) 1. Sheldon M Ross, Introduction Probability and Statistics for

Ir. I Nyoman Setiawan, MT

Fungsi Distribusi Kumulatif (Cumulatif Distribution Function /CDF)

Page 6: Ir. I Nyoman Setiawan, MT VARIABEL ACAK DAN EKSPEKTASI (Random Variable and Expectation) 1. Sheldon M Ross, Introduction Probability and Statistics for

Ir. I Nyoman Setiawan, MT

Properties Fx(x)

Page 7: Ir. I Nyoman Setiawan, MT VARIABEL ACAK DAN EKSPEKTASI (Random Variable and Expectation) 1. Sheldon M Ross, Introduction Probability and Statistics for

Ir. I Nyoman Setiawan, MT

Contoh :

Page 8: Ir. I Nyoman Setiawan, MT VARIABEL ACAK DAN EKSPEKTASI (Random Variable and Expectation) 1. Sheldon M Ross, Introduction Probability and Statistics for

Ir. I Nyoman Setiawan, MT

Page 9: Ir. I Nyoman Setiawan, MT VARIABEL ACAK DAN EKSPEKTASI (Random Variable and Expectation) 1. Sheldon M Ross, Introduction Probability and Statistics for

Ir. I Nyoman Setiawan, MT

Penyelesaian :

Page 10: Ir. I Nyoman Setiawan, MT VARIABEL ACAK DAN EKSPEKTASI (Random Variable and Expectation) 1. Sheldon M Ross, Introduction Probability and Statistics for

Ir. I Nyoman Setiawan, MT

Variabel Acak Diskret (Discrete Random Variable)

Fungsi Masa Probabilitas (Probability Mass Function/PMF)

Page 11: Ir. I Nyoman Setiawan, MT VARIABEL ACAK DAN EKSPEKTASI (Random Variable and Expectation) 1. Sheldon M Ross, Introduction Probability and Statistics for

Ir. I Nyoman Setiawan, MT

Page 12: Ir. I Nyoman Setiawan, MT VARIABEL ACAK DAN EKSPEKTASI (Random Variable and Expectation) 1. Sheldon M Ross, Introduction Probability and Statistics for

Ir. I Nyoman Setiawan, MT

Penyelesaian :

Page 13: Ir. I Nyoman Setiawan, MT VARIABEL ACAK DAN EKSPEKTASI (Random Variable and Expectation) 1. Sheldon M Ross, Introduction Probability and Statistics for

Ir. I Nyoman Setiawan, MT

Penyelesaian :

Page 14: Ir. I Nyoman Setiawan, MT VARIABEL ACAK DAN EKSPEKTASI (Random Variable and Expectation) 1. Sheldon M Ross, Introduction Probability and Statistics for

Ir. I Nyoman Setiawan, MT

Penyelesaian :

Page 15: Ir. I Nyoman Setiawan, MT VARIABEL ACAK DAN EKSPEKTASI (Random Variable and Expectation) 1. Sheldon M Ross, Introduction Probability and Statistics for

Ir. I Nyoman Setiawan, MT

Variabel Acak Kontinu (Continuous Random Variable)

Fungsi Padat Probabilitas (Probability Dencity Function/PDF)

Page 16: Ir. I Nyoman Setiawan, MT VARIABEL ACAK DAN EKSPEKTASI (Random Variable and Expectation) 1. Sheldon M Ross, Introduction Probability and Statistics for

Ir. I Nyoman Setiawan, MT

Properties dari fx (x)

Page 17: Ir. I Nyoman Setiawan, MT VARIABEL ACAK DAN EKSPEKTASI (Random Variable and Expectation) 1. Sheldon M Ross, Introduction Probability and Statistics for

Ir. I Nyoman Setiawan, MT

Contoh :

Page 18: Ir. I Nyoman Setiawan, MT VARIABEL ACAK DAN EKSPEKTASI (Random Variable and Expectation) 1. Sheldon M Ross, Introduction Probability and Statistics for

Ir. I Nyoman Setiawan, MT

Penyelesaian :

Page 19: Ir. I Nyoman Setiawan, MT VARIABEL ACAK DAN EKSPEKTASI (Random Variable and Expectation) 1. Sheldon M Ross, Introduction Probability and Statistics for

Ir. I Nyoman Setiawan, MT

Penyelesaian :

Page 20: Ir. I Nyoman Setiawan, MT VARIABEL ACAK DAN EKSPEKTASI (Random Variable and Expectation) 1. Sheldon M Ross, Introduction Probability and Statistics for

Ir. I Nyoman Setiawan, MT

Ekspektasi (Expectation)

Page 21: Ir. I Nyoman Setiawan, MT VARIABEL ACAK DAN EKSPEKTASI (Random Variable and Expectation) 1. Sheldon M Ross, Introduction Probability and Statistics for

Ir. I Nyoman Setiawan, MT

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Ir. I Nyoman Setiawan, MT

Contoh :

Page 23: Ir. I Nyoman Setiawan, MT VARIABEL ACAK DAN EKSPEKTASI (Random Variable and Expectation) 1. Sheldon M Ross, Introduction Probability and Statistics for

Ir. I Nyoman Setiawan, MT

Moment

Page 24: Ir. I Nyoman Setiawan, MT VARIABEL ACAK DAN EKSPEKTASI (Random Variable and Expectation) 1. Sheldon M Ross, Introduction Probability and Statistics for

Ir. I Nyoman Setiawan, MT

VarianCentral Moment ke n

Page 25: Ir. I Nyoman Setiawan, MT VARIABEL ACAK DAN EKSPEKTASI (Random Variable and Expectation) 1. Sheldon M Ross, Introduction Probability and Statistics for

Ir. I Nyoman Setiawan, MT

Contoh :

Page 26: Ir. I Nyoman Setiawan, MT VARIABEL ACAK DAN EKSPEKTASI (Random Variable and Expectation) 1. Sheldon M Ross, Introduction Probability and Statistics for

Ir. I Nyoman Setiawan, MT

Penyelesaian :

Page 27: Ir. I Nyoman Setiawan, MT VARIABEL ACAK DAN EKSPEKTASI (Random Variable and Expectation) 1. Sheldon M Ross, Introduction Probability and Statistics for

Ir. I Nyoman Setiawan, MT

Penyelesaian :

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Ir. I Nyoman Setiawan, MT

Penyelesaian :

Page 29: Ir. I Nyoman Setiawan, MT VARIABEL ACAK DAN EKSPEKTASI (Random Variable and Expectation) 1. Sheldon M Ross, Introduction Probability and Statistics for

Ir. I Nyoman Setiawan, MT

Contoh :

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Ir. I Nyoman Setiawan, MT

Penyelesaian :