'Macberger restaurants' presentation slideshows

The Waiting Time For Customers At Macberger Focus Dreams/tutorialoutletdotcom

FOR MORE CLASSES VISIT www.tutorialoutlet.com The waiting time for customers at MacBerger Restaurants follows a normal distribution with a population standard deviation of 1 minute. At Warren Road MacBerger, the quality assurance department sampled 49 customers and found that the mean waiting time was 2.75 minutes. At the .05 significance level, can we conclude that the mean waiting time is less than 3 minutes 1. The Null Hypothesis is:

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