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Mathematics, 06.11.2020 16:40 Molly666
A random sample of 429 college students were surveyed and they were found to spend an average of $478.23 on textbooks during the previous semester. If the sample standard deviation is $15.78, construct an estimate of the population mean at the 99% level. The upper limit of the confidence interval is $.
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A random sample of 429 college students were surveyed and they were found to spend an average of $47...
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