You Want to Build a 90% Confidence Interval Estimate of a Population

question 98

Multiple Choice

You want to build a 90% confidence interval estimate of a population mean.You take a sample of size 100, and find a sample mean of 1300.If the population standard deviation is 25, calculate the margin of error for your interval.

• A)5.232
• B)3.878
• C)4.125
• D)4.363
• E)4.991

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Definitions:

Autonomic Nervous System

The part of the nervous system that controls involuntary bodily functions, including heart rate, digestion, and respiratory rate.

Blood Vessels

Tubular structures carrying blood through the tissues and organs; a vein, artery, or capillary.

Internal Organs

Organs located inside the body that perform essential functions necessary for survival, such as the heart, liver, and kidneys.

Somatic Nervous System

A part of the peripheral nervous system associated with the voluntary control of body movements via skeletal muscles.