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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Definitions:

Heredity

The transmission of physical or mental traits from one generation to the next through genetics.

Mother

A female parent or guardian of a child, who may also play a pivotal role in the child's development and upbringing.

Infant

A very young child or baby, typically under one year of age, characterized by rapid physical and cognitive development.

Unfriendly Attitude

A behavior or demeanor that is not welcoming or cordial towards others.