Question

Customers often complain about long waiting times at restaurants before the food is served. A restaurant claims that it serves food to its customers, on average, within 15 minutes after the order is placed. A local newspaper journalist wanted to check if the restaurant’s claim is true. A sample of 36 customers showed that the mean time taken to serve food to them was 15.75 minutes with a standard deviation of 2.4 minutes. Using the sample mean, the journalist says that the restaurant’s claim is false. Do you think the journalist’s conclusion is fair to the restaurant? Use a 1% significance level to answer this question


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  • CreatedAugust 25, 2015
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