A random sample of87eighth grade students' scores on a national mathematics assessment test has a mean score of293.This test result prompts a state school administrator to declare that the mean score for the state's eighth graders on this exam is more than285.Assume that the population standard deviation is31.Atα=0.03,is there enough evidence to support the administrator's claim? Complete parts (a) through (e).(a) Write the claim mathematically and identifyH0andHa.Choose the correct answer below. A.H0:μ<285Ha:μ≥285(claim) B.H0:μ=285(claim)Ha:μ>285 C.H0:μ≤285Ha:μ>285(claim) D.H0:μ=285Ha:μ>285(claim) E.H0:μ≥285(claim)Ha:μ<285 F.H0:μ≤285(claim)Ha:μ>285

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Description: A random sample of87eighth grade students' scores on a national mathematics assessment test has a mean score of293.This test result prompts a state school administrator to declare that the mean score for the state's eighth graders on this exam is m

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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 random sample of

eighth grade students' scores on a national mathematics assessment test has a mean score of

293.

This test result prompts a state school administrator to declare that the mean score for the state's eighth graders on this exam is more than

285.

Assume that the population standard deviation is

31.

α=0.03,

is there enough evidence to support the administrator's claim? Complete parts (a) through (e).

(a) Write the claim mathematically and identify

and

Ha.

Choose the correct answer below.

H0:

μ<285

Ha:

μ≥285

(claim)

H0:

μ=285

(claim)

Ha:

μ>285

H0:

μ≤285

Ha:

μ>285

(claim)

H0:

μ=285

Ha:

μ>285

(claim)

H0:

μ≥285

(claim)

Ha:

μ<285

H0:

μ≤285

(claim)

Ha:

μ>285

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