In a report on why e-shoppers abandon their online sale transactions, a study found that "pages took me much time to load" and "site was too

 In a report on why e-shoppers abandon their online sale transactions, a study found that "pages took me much time to load" and "site was too confusing to me so that I couldn't find the product" were the two main complaints heard most often. Based on 36 customers' responses, the average time to complete online order was 4.3 minutes. Assuming σ = 2.4, construct an 80% confidence interval for µ, the average completion time for an online order. Interpret the result in terms of the question.