Chicken delight claims that 90 percent of its orders are

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Chicken Delight claims that 90 percent of its orders are delivered within 10 minutes of the time the order is placed. A sample of 80 orders revealed that 68 were delivered within the promised time. At the .10 significance level, can we conclude that less than 90 percent of the orders are delivered in less than 10 minutes?

(a) What is the decision rule?

(b) Compute the value of the test statistic.

Reference no: EM13620395

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