A Statistician Consulting for a State Department of Transportation Conducts

question 79

Multiple Choice

A statistician consulting for a state department of transportation conducts a study to see if the proportion of drivers who are intoxicated has decreased since last year.
H₀: The proportion is the same as last year
Ha: The proportion is less than last year.
The P-value of a significance test is greater than the significance level. She can conclude:

• A) there is not enough evidence to reject the null hypothesis.
• B) the test was too powerful.
• C) the null hypothesis is true.
• D) there is enough evidence to reject the null hypothesis.
• E) the alternative hypothesis is true.

---

Definitions:

University of Washington

A public research university located in Seattle, Washington, known for its advanced research facilities and diverse academic programs.

Transitional Expression

Words or phrases used to connect ideas in writing, helping it flow more smoothly by indicating relationships between sections or sentences.

Transitional Expression

Phrases or words used to link sentences and paragraphs smoothly, guiding the reader through the text.

AIDS Virus

The Human Immunodeficiency Virus (HIV) responsible for causing Acquired Immune Deficiency Syndrome (AIDS), a condition that leads to a severe weakening of the immune system.