A direct retailer that sells clothing on the Internet has two distribution centers and wants to determine if there is a difference between the proportion of customer order shipments that

A direct retailer that sells clothing on the Internet has two distribution centers and wants to determine if there is a difference between the proportion of customer order shipments that contain errors (wrong color,wrong size,etc.).It calculates a 95 percent confidence interval on the difference in the sample proportions to be -0.012 to 0.037.Based on this,it can conclude that the distribution centers differ significantly for the proportion of orders with errors.


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