brodycruce
28.05.2020 •
Mathematics
Find the indicated probability or percentage for the sampling error.
The monthly expenditures on food by single adults living in one neighborhood of Los Angeles are normally distributed with a mean of $370 and a standard deviation of $80. Determine the percentage of samples of size 4 that will have mean monthly expenditures on food within $72 of the population mean expenditure of $370.
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105.
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