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Dobrý den vedel by mi to niekto skontrolovať
Dobrý deň, chcela by som poprosiť o pomoc s vypočítaním príkladov. Ďakujem za každú pomoc.
Čakacia doba v bufete sa riadi normálnym rozdelením so strednou hodnotou 130 sekúnd a rozptylom 400. Aká je pravdepodobnosť, že niekto bude čakať menej ako minútu a pol?
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