The waiting time for customers at the Burger Restaurant follows a normal distribution with a population mean of 3 minute

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The waiting time for customers at the Burger Restaurant follows a normal distribution with a population mean of 3 minute

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The Waiting Time For Customers At The Burger Restaurant Follows A Normal Distribution With A Population Mean Of 3 Minute 1
The Waiting Time For Customers At The Burger Restaurant Follows A Normal Distribution With A Population Mean Of 3 Minute 1 (29.55 KiB) Viewed 111 times
The waiting time for customers at the Burger Restaurant follows a normal distribution with a population mean of 3 minutes and a standard deviation of 1 minute. The supervisor believes that he succeeded to make a decrease in the waiting time. So, he selected a 50-customer sample and found that the mean waiting time was 2.75 minutes. To test if he can conclude that the mean waiting time is less than 3 minutes, then the null and :alternative hypotheses should be written as follows Ho: u>3 H1: 4 = 3 O Ho: H = 3 H1: > 3 O Ho: u = 3 H1:33 O Ho: u = 3 H1: μ< 3 Ο
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