(Solution) - A ladies clothing store chain reports an average sales increase -(2025 Original AI-Free Solution)

Paper Details

A ladies' clothing store chain reports an average sales increase of 7% over last year's sales for all stores nationwide, with a standard deviation of 2%. A district store manager pulls the shopping record of the 49 stores in his district and finds that the sales volume for this group of stores was up only 6%. If this district's stores are representative of stores throughout the company nationwide, what is the probability that this district's sales increase would be so low?