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Mathematics, 19.05.2021 18:40, TheOneandOnly003
We plan to choose a random sample of college students in Norman (OK) and Lubbock (TX) to examine how they spent their time on Friday evenings during the pandemic (from early April 2020 to late December 2020). Consider the population variable below: Cost of food, drink, and entertainment on a Friday evening. Let us assume that the population standard deviation is $12.5. Also, let us assume that we are willing to accept only a $1.5 margin of errors in our estimations. Level of confidence being set at 95%, how many observations do we need in order to estimate the population mean for the above cost?
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Mathematics, 21.06.2019 18:00, coolkid20034
Need on this geometry question. explain how you did it.
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We plan to choose a random sample of college students in Norman (OK) and Lubbock (TX) to examine how...
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