A 99% Confidence Interval Estimate for a Population Mean

question 106

Multiple Choice

A 99% confidence interval estimate for a population mean is determined to be 85.58 to 96.62. If the confidence level is reduced to 90%, what happens to the confidence interval for ?

• A) It becomes wider.
• B) It remains the same.
• C) It becomes narrower.

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Definitions:

Optic Nerve

The cranial nerve responsible for transmitting visual information from the retina to the brain.

Optic Disc

The point on the retina at which the optic nerve fibers exit the eye, creating a blind spot as it contains no photoreceptors.

Blood Vessels

Blood vessels are tubular structures carrying blood throughout the body, including arteries, veins, and capillaries.

Optic Nerve

The nerve responsible for sending visual signals from the retina to the brain.