A random sample of 76 eighth grade students' scores on a national mathematics assessment test has a mean score of 283. This test result prompts a state school administrator to declare that the mean scorefor the state's eighth graders on this exam is more than 275. Assume that the population standard deviation is 40. At x = 0.07, is there enough evidence to support the administrator's claim? Complete parts (a)through (e).(a) Write the claim mathematically and identify Ho and H₂. Choose the correct answer below.aA. Ho: μ≤275 (claim)Ha:μ>275D. Ho: μ=275 (claim)Ha:μ>275(b) Find the standardized test statistic z.Z= (Round to two decimal places as needed.)B. Ho: μ = 275H₂:μ>275 (claim)E. Ho:μ≤275Ha:μ> 275 (claim)C. Ho: μ<275H₂:μ ≥275 (claim)F. Ho:μ ≥275 (claim)Ha: μ<275

sample size(n)=76Mean()=283standard deviation()=40

Answered: A random sample of 76 eighth grade…

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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3
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