You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe thepopulation standard deviation is approximately o = 30.1. You would like to be 99% confident that yourestimate is within 4 of the true population mean. How large of a sample size is required?n =Do not round mid-calculation. However, you are encouraged to use a critical value accurate to threedecimal places - this is important for the system to be able to give hints for incorrect answers.Submit QuestionType here to search

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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 student who took Stat 2 last semester learns that their overall course score was at the 85th percentile. Assuming that a histogram of all the Stat 2 course scores from last semester follows the normal curve, this means that this student had a score that was how many SDs above the average score? Choose the answer that is closest. Group of answer choices 1.15 1.05 1.10 1.0 PreviousNext
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Can you do just questions 4-7 please
You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately o = 62.5. You would like to be 95% confident that your esimate is within 2 of the true population mean. How large of a sample size is required? n = Do not round mid-calculation. However, use a z value accurate to three decimal places - this is important for the system to be able to give hints for incorrect answers.

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