Sales of a new line of athletic footwear are crucial to the success of a newly formed
company. The company wishes to estimate the average weekly sales of the new footwear
to within $150 with 99% reliability. The initial sales indicate that the standard deviation of
the weekly sales figures is approximately $1550. How many weeks of data must be
sampled for the company to get the information it desires?

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The Answer of Sales of a new line of athletic footwear are crucial to the success of a newly formed
company. The company wishes to estimate the average weekly sales of the new footwear
to within $150 with 99% reliability. The initial sales indicate that the standard deviation of
the weekly sales figures is approximately $1550. How many weeks of data must be
sampled for the company to get the information it desires?

Sales of a New Line of Athletic Footwear Are Crucial