Question: A Pollster wants to construct a 95% confidence interval for the population of adults who believe that economic conditions are getting better. A Gallup poll

A Pollster wants to construct a 95% confidence interval for the population of adults who believe that economic conditions are getting better. A Gallup poll then in July 2010 estimates this population to be 0.33. Using this estimate, what sample size is needed so that the confidence interval will have a margin of error of 0.038? Write only an integer as your answer.

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!

A pollster wants to construct a 95% confidence interval for the proportion of children who watch Spongebob Squarepants. Estimate the sample size needed so that the confidence interval will have a...

a pollster wants to construct a 95% confidence interval for the proportion of adults who believe the economic conditions are getting better. A gallup poll taken in July 2010 estimates this proportion...

How's the economy? A pollster wants to construct a 95% confidence interval for the proportion of adults who believe that economic conditions are getting better. Part: 0 / 2 Part 1 of 2 (a) A poll...

How's the economy? A pollster wants to construct a 95% confidence interval for the proportion of adults who believe that economic conditions are getting better. Part: 0/2 Part 1 of2 (a) A poll taken...

A pollster wants to construct a 95% confidence interval for the proportion of adults who believe that economic conditions are getting better. A gallup poll taken in 2010 estimates this proportion to...

A pollster wants to construct a 95% confidence interval for the proportion of adults who believe that economics conditions are getting better. A Gallop poll taken in July 2010 estimates this...

This is a mix of statistic related questions. Any help is appreciated!! Number 14 is not present as I have been able to answer it. Question 11 eriicienoy experis study the processes ised to...

Please answer How's the economy? A pollster wants to construct a 99.3 % confidence interval tor the proportion of adults who believe that economic conditions are getting better. (a) A poll taken in...

please explain How's the economy? A pollster wants to construct a 99.8% confidence interval for the proportion of adults who believe that economic conditions are getting better. Part 1 of 2 X (a) A...

How's the economy? A pollster wants to construct a 99% confidence interval for the proportion of adults who believe that economic conditions are getting better. Part: 0/2 Part 1 of 2 (a) A poll taken...

Geotechnical Instrumentation is frequently employed for monitoring the condition of reclamation. Sometimes two piezometers are installed inside the same borehole. What is the reason behind this

Purpose: To help you understand the importance of cash flows in the operation of a small business. You just received your year-end financial statements from your accountant. Although receiving the...

uppose someone wants to accumulate $40 comma 000 for a college fund over the next 15 years. Determine whether the following investment plans will allow the person to reach the goal. Assume the...

Direct Materials and Direct Labor Variance Analysis Shasta Fixture Company manufactures faucets in a small manufacturing facility. The faucets are made from brass. Manufacturing has 30 employees....