Computational Statistics

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 15.1 minutes after the order is placed. A local newspaper journalist wanted to check if the restaurant's claim is true. A sample of 35 customers showed that the mean time taken to serve food to them was 15.9 minutes with a standard deviation of 2.8 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. The journalist's claim is eTextbook and Med fair unfair