Question
The 2011 gross sales of all firms in a large city have a mean of $2.5 million and a standard deviation of $0.6 million. Using
The 2011 gross sales of all firms in a large city have a mean of$2.5million and a standard deviation of$0.6million. Using Chebyshev's theorem, find at least what percentage of firms in this city had 2011 gross sales of$1.3to$3.7million.
Round your answer to the nearest whole number.
the tolerance is +/-5%
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Advanced Engineering Mathematics
Authors: ERWIN KREYSZIG
9th Edition
0471488852, 978-0471488859
