Solve the problem. 3) Sales of a new line of athletic footwear are crucial to the success of a company. The company wishes to estimate the average weekly sales of the new footwear to within $300 with 90% confidence. The initial sales indicate that the standard deviation of the weekly sales figures is approximately $1100. How many weeks of data must be sampled for the company to get the information it desires? A) 37 weeks B) 23 weeks C) 7 weeks D) 10,915 weeks

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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How many weeks of data must be samples for the company to get the information it desires

Solve the problem.
3) Sales of a new line of athletic footwear are crucial to the success of a company. The company wishes to estimate the
average weekly sales of the new footwear to within $300 with 90% confidence. The initial sales indicate that the
standard deviation of the weekly sales figures is approximately $1100. How many weeks of data must be sampled
for the company to get the information it desires?
A) 37 weeks
B) 23 weeks
C) 7 weeks
D) 10,915 weeks
Transcribed Image Text:Solve the problem. 3) Sales of a new line of athletic footwear are crucial to the success of a company. The company wishes to estimate the average weekly sales of the new footwear to within $300 with 90% confidence. The initial sales indicate that the standard deviation of the weekly sales figures is approximately $1100. How many weeks of data must be sampled for the company to get the information it desires? A) 37 weeks B) 23 weeks C) 7 weeks D) 10,915 weeks
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