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Test of hypothesis

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The Restaurants McBurger says that the waiting time for customers is 3 minutes with a standard deviation of population 1 minute. The quality control department found in a sample of 50 clients that the average waiting time was 2.75 minutes. With a significance level of 0.05. Can conclude that the waiting time is less than 3 minutes?

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Tests the hypothesis that the mean waiting time for customers is less than 3 minutes.

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The Restaurants McBurger says that the waiting time for customers is 3 minutes with a standard deviation of population 1 minute. The quality control department found in a sample of 50 clients that the average waiting time was 2.75 minutes. With a significance level of 0.05. Can conclude that the waiting time is less than 3 minutes?

Data
Hypthesized mean= 3 minutes
Standard deviation= 1 minute
Sample mean= 2.75 minute
Sample size= 50
Significance level= 0.05 0r 5%
Population standard deviation (Known, Not Known)= Known ...

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