A Random Sample of 64 Items Is Selected from a Population

question 59

Multiple Choice

A random sample of 64 items is selected from a population of 400 items.The sample mean is 200. The population standard deviation is 48.From this data,a 90% confidence interval to estimate the population mean can be computed as _______.

• A) 189.21 to 210.79
• B) 188.24 to 211.76
• C) 190.13 to 209.87
• D) 190.94 to 209.06
• E) 193.45 to 211.09

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Definitions:

Family Practice Physician

a doctor who provides comprehensive health care for individuals and families across all ages, genders, diseases, and parts of the body.

Hormones

Chemical messengers produced by glands in the body that regulate the activity of cells or organs.

Metabolism

The chemical processes that occur within a living organism in order to maintain life, involving the breakdown of substances to generate energy and the synthesis of substances needed by cells.

Unprocessed Foods

Foods that are consumed in their natural state, without undergoing any chemical processing or modification.