How many females and males should be in the sample

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Cafeteria employees want to survey the customers that come in for lunch. The cafeteria employees know that they serve 1000 customers for lunch. Of the 1000 lunch customers 600 are female and 400 are male. Cafeteria workers want a sample of 100 customers that is representative of the lunch customers. Which sampling method would be appropriate? How many females and males should be in the sample?

Reference no: EM13253205

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