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Hypothesis Testing: Delivering Orders On-Time

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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? What is the Null Hypothesis, Alternate Hypothesis, Alpha, Choice of test, Critical Value of test? Show computations. Interpret findings.

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The solution discusses an example of hypothesis testing regarding orders that were delivered within the promised time.

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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?
What is the Null ...

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