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# Hypothesis Testing of Mean: Waiting time for Lunch

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A fast food chain restaurant chain claims that lunch will be served within nine minutes of placing your order, or it is free. A sample of eight customers revealed the following waiting times in minutes:

10.1 9.3 9.2 10.2 9.3 9.6 9.4 8.8
At the .01 significance level, can we conclude that the waiting time for lunch exceeds nine minutes. Estimate the p- value.

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Estimate the p- value
A fast food chain restaurant chain claims that lunch will be served within nine minutes of placing your order, or it is free. A sample of eight customers revealed the following waiting times in minutes:

10.1 9.3 9.2 10.2 9.3 9.6 9.4 8.8
At the .01 significance level, can we conclude that the waiting time for lunch exceeds ...

#### Solution Summary

The solution provides step by step method for the calculation of testing of hypothesis. Formula for the calculation and Interpretations of the results are also included. Interactive excel sheet is included. The user can edit the inputs and obtain the complete results for a new set of data.

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