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Find the Indicated Probability or Percentage for the Sampling Error

Question 71

Multiple Choice

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.


A) 46.41%
B) 96.41%
C) 63.18%
D) 92.82%

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