Question

1. A server at a restaurant wanted to estimate the average tip percentage (μ) after the Covid-19 pandemic that she earns during dinner. It has been known that the tip amounts at the restaurant are normally distributed with unknown mean μ and unknown variance σ2. She obtains the following tip rates (in percent, so 14 represents 14%.) 14 21 17 22 18 17 19 20 25 10 12 16 23 Test with a significance level of α=0.10 whether the the unknown population average tip percentage at the restaurant is lager than 20. Make sure that you have to specify H 0and H 1and provide p-value.

Name: 1 a server at a restaurant wanted to estimate the average tip percentage after the covid 19 pandemic that she earns during dinner it has been known that the tip amounts at the restaurant are 35345
Uploaded: 2022-08-01T20:08:28-08:00
Duration: 4 min 3 s
Channel: David Nguyen
Description: 1 a server at a restaurant wanted to estimate the average tip percentage after the covid 19 pandemic that she earns during dinner it has been known that the tip amounts at the restaurant are 35345

          1. A server at a restaurant wanted to estimate the average tip percentage (μ) after the Covid-19 pandemic that  she earns during dinner. It has been known that the tip amounts at the restaurant are normally distributed with  unknown mean μ and unknown variance σ2. She obtains the following tip rates (in percent, so 14 represents  14%.) 
14 21 17 22 18 17 19 
20 25 10 12 16 23 
 Test with a significance level of α=0.10 whether the the unknown population average tip percentage at the  restaurant is lager than 20. Make sure that you have to specify H 0and H 1and provide p-value.

Added by Miguel H.

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