A Researcher Is Interested in Estimating the Proportion of Voters

question 22

Multiple Choice

A researcher is interested in estimating the proportion of voters who favor a tax on e-commerce. Based on a sample of 250 people, she obtains the following 99% confidence interval for the Population proportion p:
0.113 < p < 0.171 Which of the statements below is a valid interpretation of this confidence interval?

• A)If 100 different samples of size 250 were selected and, based on each sample, a confidence interval were constructed, exactly 99 of these confidence intervals would contain the true
• Value of p.
• B)If many different samples of size 250 were selected and, based on each sample, a confidence interval were constructed, in the long run 99% of the confidence intervals would contain the
• True value of p.
• C)If many different samples of size 250 were selected and, based on each sample, a confidence interval were constructed, 99% of the time the true value of p would lie between 0.113 and
• 0.171
• D)There is a 99% chance that the true value of p lies between 0.113 and 0.171

---

Definitions:

Symbolic Value

The significance or meaning that objects or actions hold beyond their practical use, often culturally driven.

Kansei Engineering

A product development methodology that incorporates consumer emotions, needs, and preferences into the design process to better meet user expectations.

Sensory Mechanisms

The physiological processes by which sensory organs and the nervous system receive and interpret stimuli from the environment.

Visual Cues

Elements in the environment or in communications that provide information or directional signals through sight.