When We Construct a 95% Confidence Interval,we Are 95% Sure

question 46

Multiple Choice

When we construct a 95% confidence interval,we are 95% sure that the

• A)sample mean difference falls within the interval.
• B)population mean difference falls within the interval.
• C)population mean difference is at the center of the interval.
• D)sample mean difference is at the center of the interval.

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Definitions:

Contamination

The presence of unwanted substances or pollutants in a material, environment, or product, leading to potential harm or pollution.

Anesthetic

A substance that induces insensitivity to pain, temporary loss of sensation or awareness; used during surgical and dental procedures.

Hand Antiseptics

Agents applied to the hands to eliminate or reduce harmful microorganisms, enhancing hygiene and preventing infection.

Bacteria

Microscopic single-celled organisms that can be found everywhere and are vital for the environment, but some can cause diseases in humans, animals, and plants.