A Local Politician Claims That One in Five Automobile Accidents

question 22

Multiple Choice

A local politician claims that one in five automobile accidents involve a teenage driver. He is advocating increasing the age at which teenagers can drive alone. Over a two-month period there are 67 accidents in your city, and only nine of them involve a teenage driver. If the politician is correct, what is the chance that you would observe nine or fewer accidents involving a teenage driver?

• A)about 0.05
• B)about 0.09
• C)about 0.16
• D)about 0.11

---

Definitions:

CPI

The Consumer Price Index reflects the average cost changes over time for a mix of consumer goods and services, including items such as food, medical care, and transportation, through a weighted average approach.

Cost of Living

The amount of money needed to cover basic expenses such as housing, food, taxes, and healthcare in a certain place and time.

Consumer Price Index

An index measuring the average change in prices paid by consumers for goods and services over time.

Standard of Living

The measure of affluence, well-being, and availability of physical assets and essential services for a person, collective, or societal group.