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Referāts par Puasona varbūtību sadalījumu
File size:
83 KB
ID number:

241023

 
Evaluation:
Published: 06.03.2025.
Language: Latvian
Level: Secondary school
Literature: 7 units
References: Not used
Time period viewed: 2021 - 2025 years
Extract

- Varbūtības masas funkcija
Tiek uzskatīts, ka diskrētam gadījuma lielumam X ir Puasona sadalījums ar parametru λ > 0 , ja tam ir varbūtības masas funkcija, ko nosaka f(k; λ)=P⁡(X=k)=λke-λk!, kur k = 1, 2, 3, ... (Zināms vesels naturāls skaitlis), e ir Eilera skaitlis (e = 2,71828…), k! ir faktoriāls.
Pozitīvais reālais skaitlis λ ir vienāds ar X paredzamo vērtību un arī tā dispersiju jeb λ = E(X) = D(X).…

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