Short Answer
The waiting time for patients at local walk-in health clinic follows a normal distribution with a mean of 15 minutes and a population standard deviation of 5 minutes. The clinic wants to know if waiting time is less than 15 minutes. The quality-assurance department found in a sample of 50 patients that the mean waiting time was 14.25 minutes. For a significance level of 0.05, what is the critical value?
Correct Answer:

Verified
Correct Answer:
Verified
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