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Mathematics, 09.12.2019 14:31 milkshakegrande101

Abookstore ownwr wants to know which department to expand. manager a surveys every 3rd teenager that comes in the store. manager b surveys every customer on monday evening. manager c surveys 25% of the customers chosen at random from the store's mauling lost. which manager's method is the least biased? explain?

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Abookstore ownwr wants to know which department to expand. manager a surveys every 3rd teenager that...
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