Chicken Delight claims that 90% of its orders are delivered within 10 minutes of the time the order is placed. A sample of 100 orders revealed that 82 were delivered within the promised time. At the 0.10 significance level, can we conclude that less than 90% of the orders are delivered in less than 10 minutes?
Please answer the questions using the excel file provided.
Questions are in excel spreadsheet , attached.© BrainMass Inc. brainmass.com December 19, 2018, 9:33 pm ad1c9bdddf
Chicken Delight order delivery speed is evaluated.