THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 4

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
Suppose that the waiting times for patients at a local hospital are normally distributed with known population standard deviation of 30 minutes.A random sample of 75 patients in the local hospital had a mean time of 90 minutes.Assume a 95% confidence interval for the population mean μ.
-Calculate the margin of error of the 95% confidence interval.

• A)5.69
• B)8.93
• C)6.79
• D)8.06

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A legal officer appointed or elected to represent the government in criminal proceedings against individuals or entities.

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