Essay
The waiting time for patients at a local walk-in health clinic follows a normal distribution with a mean of 15 minutes and a population standard deviation of 5 minutes. The quality-assurance department sampled 50 patients and found that the mean waiting time was 14.25 minutes. What is the test statistic?
Correct Answer:
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z = -1.061
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Correct Answer:
Verified
Explanation: For a ...
View Answer
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