Mathematics
Mathematics, 06.05.2021 04:10, decoreyjpaipxv

A Gallup Poll surveyed U. S. adults and found that 58% were in favor of phasing out the use of plastic straws. If Gallup wanted to produce a 80% confidence interval and margin of error of 1%,
how much of a sample is needed?

answer
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A Gallup Poll surveyed U. S. adults and found that 58% were in favor of phasing out the use of pla...

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