A Statistician Consulting for a State Department of Transportation Conducts $H _ { 0 }$

question 15

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.
$H _ { 0 }$ : The proportion is the same as last year
$H _ { A }$ : The proportion is less than last year.
The $P$ -value of a significance test is greater than the significance level. She can conclude:

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

---

Definitions:

Basic Business Strategy

A foundational approach that outlines how a business aims to achieve its goals, compete in the market, and satisfy its customers.

Customer Needs

The recognized necessities or desires that drive consumers to seek out products or services for satisfaction or solution.

Value Chain Analysis

A strategic tool used to analyze the activities that create value in a business, from conceptualization to delivery to consumers.

Portfolio Analysis

Involves evaluating the collection of businesses, investments, or financial assets held by an individual or corporation to determine their performance and strategic fit.