how large of a sample would be required for the commissioner to make the desired estimate?
how large of a sample would be required for the commissioner to make the desired estimate?
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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Question
The state education commission wants to estimate the proportion of tenth-grade students in the state who read at or below the eight-grade level. The commissioner wants an estimate with a 99% level of confidence and an error of at most 5%?
Step 2 of 2:
The commissioner found results from a previous study which reported a sample proportion of 22%. Using this estimate, how large of a sample would be required for the commissioner to make the desired estimate? Round your answer up to the next integer.
Expert Solution
Step 1: Mentioning given information
The state education commission wants to estimate the proportion of tenth-grade students in the state who read at or below the eight-grade level. The commissioner wants an estimate with a 99% level of confidence and an error of at most 5%
The commissioner found results from a previous study which reported a sample proportion of 22%.
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