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Question 1 2 points Save Answer The waiting time for customers at the Burger Restaurant follows a normal distribution wi
Posted: Wed Dec 08, 2021 5:10 am
by answerhappygod
- Question 1 2 Points Save Answer The Waiting Time For Customers At The Burger Restaurant Follows A Normal Distribution Wi 1 (18.73 KiB) Viewed 100 times
Question 1 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 null and alternative hypotheses should be written as follows: O Ho: u = 3 H1: > 3 O Ho:u> 3 H1: = 3 O Ho: u = 3 H1:4<3 O Ho: = 3 H1:13