The Number of Cars Running a Red Light in a Day

question 6

Multiple Choice

The number of cars running a red light in a day, at a given intersection, possesses a distribution with a mean of 2.4 cars and a standard deviation of 4. The number of cars running the red light
Was observed on 100 randomly chosen days and the mean number of cars calculated. Describe the
Sampling distribution of the sample mean.

• A)approximately normal with mean = 2.4 and standard deviation = 4
• B)shape unknown with mean = 2.4 and standard deviation = 0.4
• C)approximately normal with mean = 2.4 and standard deviation = 0.4
• D)shape unknown with mean = 2.4 and standard deviation = 4

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Definitions:

Ancient Greeks

Refers to the people of Greece and their civilizations that flourished from the 8th century BC to the end of antiquity.

Flash Mob

A group of people who assemble suddenly in a public place, perform an unusual act for a brief time, then quickly disperse, often for the purposes of entertainment or satire.

Four Humors

An ancient and obsolete medical theory that suggested the body is comprised of four fluids that influence health and temperament.

Abnormal Behavior

Actions or patterns of activity that deviate significantly from what is considered typical or normal within a certain culture or society, which may or may not be indicative of a psychological disorder.