Question: A researcher has conducted a survey using a simple random sample of 50 licensed drivers to create confidence interval to estimate the proportion of licensed

A researcher has conducted a survey using a simple random sample of 50 licensed drivers to create confidence interval to estimate the proportion of licensed drivers favoring the construction of a new stoplight. Assume that the sample proportion does not change. The researcher now decides to survey a random sample of 200 people instead of 50 licensed drivers. Which of the following statementsbestdescribes how the confidence interval is affected by this change?

The width of the new interval is about the same width as the original interval.

The width of the new interval is about twice the width of the original interval.

The width of the new interval is about one half the width of the original interval.

The width of the new interval is about one fourth the width of the original interval.

The width of the new interval is about four times the width of the original interval.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!