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26-04-2024
Mathematics

Answered

A survey asked, "How important is it to you to buy products that are made in America?" Of the 600 Americans surveyed, 150 responded, "It is not important." For each of the following levels of confidence, find the sample proportion and the margin of error associated with the poll. (Round the margin of error to one decimal place.)
(a) an 80% level of confidence sample proportion margin of error ± %

Answer :

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