Mathematics, 15.12.2020 23:00 Emptypockets451
A research team estimates that 30% of their questionnaires will not be returned.
How many questionnaires should they mail out in order to be reasonably certain
that at least 750 would be returned?
Answers: 1
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A research team estimates that 30% of their questionnaires will not be returned.
How many questionn...
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