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 15.4 minutes after the order is placed. A local newspaper journalist wanted to check if the restaurant's claim is true. A sample of 33 customers showed that the mean time taken to serve food to them was 16 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 5% significance level to answer this question. The journalist's claim i fair

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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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 15.4 minutes after the order is placed. A local newspaper journalist
wanted to check if the restaurant's claim is true. A sample of 33 customers showed that the mean time taken to serve food
to them was 16 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 5% significance level to
answer this question.
The journalist's claim is
fair
Transcribed Image Text: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 15.4 minutes after the order is placed. A local newspaper journalist wanted to check if the restaurant's claim is true. A sample of 33 customers showed that the mean time taken to serve food to them was 16 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 5% significance level to answer this question. The journalist's claim is fair
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