It is recommended that you use the five-step hypothesis testing procedure in solving the following problems:

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 0.01 significance level, can we conclude that less than 90% of the orders are delivered in less than 10 minutes?