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A toy manufacturer wants to know how many new toys children buy each year. Assume a previous study found the variance to be 3.61. He thinks the mean is 5.6 toys per year. What is the minimum sample size required to ensure that the estimate has an error of at most 0.09 at the 99 % level of confidence? Round your answer up to the next integer. Answer How to enter your answer (opens in new window) Tables Keypad

A toy manufacturer wants to know how many new toys children buy each year. Assume a previous study found the variance to be 3.61. He thinks the mean is 5.6 toys per year. What is the minimum sample size required to ensure that the estimate has an error of at most 0.09 at the 99 % level of confidence? Round your answer up to the next integer. Answer How to enter your answer (opens in new window) Tables Keypad

MATLAB: An Introduction with Applications
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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A toy manufacturer wants to know how many new toys children buy each year. Assume a previous study found the variance to be 3.61. He thinks the mean is 5.6 toys per year. What is the minimum sample size required to ensure that the estimate has an error of at most 0.09 at the 99 % level of confidence? Round your answer up to the next integer. Answer How to enter your answer (opens in new window) Tables Keypad
Transcribed Image Text:A toy manufacturer wants to know how many new toys children buy each year. Assume a previous study found the variance to be 3.61. He thinks the mean is 5.6 toys per year. What is the minimum sample size required to ensure that the estimate has an error of at most 0.09 at the 99 % level of confidence? Round your answer up to the next integer. Answer How to enter your answer (opens in new window) Tables Keypad
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