A Researcher Finds That 12% of Participants Make Between Three

question 50

Multiple Choice

A researcher finds that 12% of participants make between three and five visits to a physician each year.What are the real limits for this interval?

• A) 3-5
• B) 2.5-5.5
• C) 2.5-3.5
• D) equal to the sum of the products for the previous interval

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Definitions:

Dike Unit

It is a geological structure consisting of a major vertical or steeply-dipping sheet-like body of intruded igneous rock that cuts through older rocks.

Half-Lives

The period of time it takes for a radioactive substance to decrease to half its original amount.

Granite Unit

A large body of igneous rock with a granular and phaneritic texture, predominantly composed of quartz and feldspar.

Half-Lives

The time required for half the atoms in a sample of a radioactive substance to decay into a more stable form.