erickroberto4208 erickroberto4208
  • 09-02-2018
  • Mathematics
contestada

A research team estimates that 30% of their questionaries will not be returned. how many questionnaries should they mail out in ordeer to be reasonably certain that at least 750 will be returned

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Аноним Аноним
  • 09-02-2018
They should mail out 1071 total. Hope it helps!
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