Sales of a New Line of Athletic Footwear Are Crucial

Multiple Choice

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 $200 with 95%
Reliability. The initial sales indicate that the standard deviation of the weekly sales figures is
Approximately $1400. How many weeks of data must be sampled for the company to get the
Information it desires?

A) 14 weeks
B) 97 weeks
C) 189 weeks
D) 37,648 weeks