A random sample of 88 eighth grade students' scores on a national mathematics assessment test has a mean score of 281. Thistest result prompts a state school administrator to declare that the mean score for the state's eighth graders on this exam is morethan 275. Assume that the population standard deviation is 40. At a = 0.03, is there enough evidence to support the administrator'sclaim? Complete parts (a) through (e)......(a) Write the claim mathematically and identify H, and Ha. Choose the correct answer below.'O A. Ho: µs 275Hai H> 275 (claim)B. H0: μ<275 (claim)Ha: µ> 275c. Ho: μ< 275Hai u2 275 (claim)O D. Ho: µ = 275 (claim)Ha: µ> 275Ο Ε. Ho: μ = 275Ha: µ> 275 (claim)OF H : μ2 275 (claim)Ha: µ<275

From the given information, The claim of the problem is the mean score for the state's eighth graders on the exam is more than 275. That is, μ>275 Null Hypothesis: H0:μ≤275 Alternative Hypothesis: H1:μ>275 Correct option: A

Answered: A random sample of 88 eighth grade…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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A random sample of 86 eighth grade students' scores on a national mathematics assessment test has a mean score of 267. 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 260. Assume that the population standard deviation is 30. At x = 0.08, 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. A. Ho: μ = 260 B. Ho: μ≤260 (claim) C. Ho: μ≤260 Ha: μ> 260 (claim) Ha:μ> 260 Ha: μ> 260 (claim) O E. Ho: μ 260 Ha: μ ≥260 (claim)
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