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Chicken Delight claims that 64% of its orders are delivered within 10 minutes of the time...

Chicken Delight claims that 64% of its orders are delivered within 10 minutes of the time the order is placed. A sample of 100 orders revealed that 58 were delivered within the promised time. At the 0.10 significance level, can we conclude that less than 64% of the orders are delivered in less than 10 minutes?

a. What is your decision regarding the below hypothesis? (Round the final answer to 2 decimal places.)

H0 is rejected if z <            .

b. Compute the value of the test statistic. (Round the final answer to 2 decimal places. Negative answer should be indicated by a minus sign.)

Value of the test statistic           

H0 is           

.

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