A Company Has Developed a New Engine Whose Average Lifetime

question 28

Multiple Choice

A company has developed a new engine whose average lifetime is unknown.In order to estimate this average,100 engines are randomly selected from a large production line and tested; their average lifetime is found to be 11 years.The 11 years represents a:

• A)parameter.
• B)statistic.
• C)sample.
• D)population.

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Definitions:

Grab Bars

Safety devices installed in bathrooms or other areas to assist individuals in maintaining balance, decreasing fatigue, and preventing falls.

Scatter Rugs

Small area rugs or mats, often decorative, placed in various areas within a home to add comfort or aesthetic appeal.

Smoke Alarms

Devices designed to detect smoke as an indicator of fire, providing early warning signals to occupants of a building for safety.

Right Hemisphere Stroke

A stroke occurring in the right side of the brain, potentially affecting spatial awareness, judgment, and/or mobility on the left side of the body.