Answered: A scientist studying babies born…

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 scientist studying babies born prematurely would like to obtain an estimate for the mean birth weight, u, of babies born during the 24th week of gestation period. She plans to select a random sample of birth weights of such babies and use the mean of the sample to estimate u. Assuming that the population of birth weights of babies born during the 24th week has a standard deviation of 2.6 pounds, what is the minimum sample size needed for the scientist to be 99% confident that her estimate is within 0.5 pounds of u? Carry intermediate computations to at least 3 decimal places. Write the answer as a whole number (and make sure that it is the minimum whole number that satisfies the requirements).

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