Dobry den, neviem si dat rady s ulohou zo statistiky a neviem k tomu ani najst ziadne podklady. Viete mi pomoct? Uloha nizsie
Chceme uskutočniť výberové zisťovanie pre odhad % pracujúcich vysokoškolákov. Z minulých zisťovaní vieme, že toto percento sa pohybovalo okolo 35%. Pri tomto odhade nechceme prekročiť chybu 4,5%. Toto zisťovanie chceme uskutočniť na hladine spoľahlivosti 99%. Akú veľkú vzorku respondentov potrebujeme, aby boli zaistené tieto požiadavky?
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