Mathematics, 27.07.2019 06:00 brinatperez06
Sameer polled a random selection of 120 of the 250 workers at his office to determine whether they were satisfied with their office supply ordering process. the survey showed that 90 of the workers polled were satisfied. with a desired confidence level of 99%, which has a z*-score of 2.58, what is the margin of error of sameer’s survey?
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