• Matéria: Matemática
  • Autor: kian99480
  • Perguntado 3 anos atrás

A canteen owner claims that the average meal cost of his usual clients is
Php180. In order to test his own claim, he took a random sample of 30
receipts and computed the mean cost of Php210 with a standard deviation of
Php25. Test the hypothesis at 0.01 level of significance. Show all steps​

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respondido por: santiagogilbert14
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