A pollster wishes to estimate, with 99% confidence, the proportion of people who believe that recent changes in climate are primarily due to human activity. Find the minimum sample size necessary to achieve a margin of error of less than 2%. a. Assuming no previous estimates are available. Round your answer up to the next integer. b. Assuming a previous estimate of 0.30. Round your answer up to the next integer.

A pollster wishes to estimate, with 99% confidence, the proportion of people who believe that recent changes in climate are primarily due to human activity. Find the minimum sample size necessary to achieve a margin of error of less than 2%. a. Assuming no previous estimates are available. Round your answer up to the next integer. b. Assuming a previous estimate of 0.30. Round your answer up to the next integer.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

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A pollster wishes to estimate, with 99% confidence, the proportion of people who believe that recent
changes in climate are primarily due to human activity.
Find the minimum sample size necessary to achieve a margin of error of less than 2%.
a. Assuming no previous estimates are available. Round your answer up to the next integer.
b. Assuming a previous estimate of 0.30. Round your answer up to the next integer.

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