From national research it was determined that the household income in a certain region of the United States, in thousand
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From national research it was determined that the household income in a certain region of the United States, in thousand
From national research it was determined that the household income in a certain region of the United States, in thousands of dollars, had a mean of 53.81 and a standard deviation of 15.10. The distribution was found to be bell-shaped. About 95% of the region's household in comes will lie between what values?
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