Question 8 2 points Save Answer The waiting time for customers at the Burger Restaurant follows a normal distribution wi

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Question 8 2 Points Save Answer The Waiting Time For Customers At The Burger Restaurant Follows A Normal Distribution Wi 1 (11.79 KiB) Viewed 77 times

Question 8 2 points Save Answer 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 computed Z value will equal: 0 -1.77 O 1.77 O 2.5 0 -2.55