Part 2 please How's the economy? A pollster wants to construct a 99.8% confidence interval for the proportion of adults who believe thateconomic conditions are getting better.Part 1 of 2(a) A poll taken in July 2010 estimates this proportion to be 0.29. Using this estimate, what sample size is needed so thatthe confidence interval will have a margin of error of 0.05?A sample of 787 adults is needed to obtain a 99.8% confidence interval with a margin of error of 0.05.Part: 1/ 2Part 2 of 2(b) Estimate the sample size needed if no estimate of p is available.A sample of 787T adults is needed to obtain a 99.8% confidence interval with a margin oferror of 0.05.Save For LaterSubmit AssignmentCheck Answer© 2021 McGraw Hill LLC. AlI Rights Reserved. Terms of Use Privacy Center47°F Mostly

We have given that Margin of error =E = 0.05 99.8% confidence interval

Answered: Part 2 of 2 (b) Estimate the sample…

Part 2 of 2 (b) Estimate the sample size needed if no estimate of p is available. A sample of 787T adults is needed to obtain a 99.8% confidence interval with a margin of error of 0.05.

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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