THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 21

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 width of the 95% confidence interval estimate.

• A)16.12
• B)11.38
• C)17.86
• D)13.58

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Definitions:

Body Parts

Various physical components of living organisms, including organs, limbs, and tissues that perform specific functions.

Faces

Typically refers to the front part of the human head, including the eyes, nose, mouth, and expression-contributing elements.

Road Rage

Aggressive or violent behavior exhibited by motorists in response to perceived slights or frustrations while driving.

Obscene Gestures

Physically expressive forms of non-verbal communication that are considered offensive or disrespectful in many cultures.