Use the Following Information for Following Questions

question 11

Multiple Choice

Use the following information for following questions . A police radar gun is used to measure the speeds of cars on a
highway. The speeds of cars are normally distributed with a mean of 55 mi/hr and a standard deviation of 5
mi/hr.
-Roughly what percentage of cars are driving less than 45 mi/hr? (Round to the nearest tenth of a percent)

• A)5.0%
• B)95.0%
• C)18.0%
• D)2.5%.

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Definitions:

Chromosomes

Structures in the nucleus of each cell that contain the genes, the units of hereditary transmission. A human cell has 46 chromosomes arranged in 23 pairs.

Genetics

The study of genes, heredity, and the variations in living organisms that are influenced by their DNA.

Environment

The environment refers to the physical, chemical, and biological factors and conditions that influence the life and development of organisms.

Interaction

A reciprocal action or influence between two or more entities, substances, or individuals.