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