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A random sample of 88 eighth grade students' scores on a national mathematics assessment test has a mean scor test result prompts a state school administrator to declare that the mean score for the state's eighth graders on this than 275. Assume that the population standard deviation is 40. At a = 0.03, is there enough evidence to support the claim? Complete parts (a) through (e). ..... (a) Write the claim mathematically and identify Ho and Ha. Choose the correct answer below. ΟΑ Η: μ 5 27 B. Ho: μs 275 (claim) c. Ho : μ<275

A random sample of 88 eighth grade students' scores on a national mathematics assessment test has a mean scor test result prompts a state school administrator to declare that the mean score for the state's eighth graders on this than 275. Assume that the population standard deviation is 40. At a = 0.03, is there enough evidence to support the claim? Complete parts (a) through (e). ..... (a) Write the claim mathematically and identify Ho and Ha. Choose the correct answer below. ΟΑ Η: μ 5 27 B. Ho: μs 275 (claim) c. Ho : μ<275

A First Course in Probability (10th Edition)
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 88 eighth grade students' scores on a national mathematics assessment test has a mean score of 281. 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 275. Assume that the population standard deviation is 40. At a = 0.03, is there enough evidence to support the administrator's claim? Complete parts (a) through (e). ..... (a) Write the claim mathematically and identify H, and Ha. Choose the correct answer below. ' O A. Ho: µs 275 Hai H> 275 (claim) B. H0: μ<275 (claim) Ha: µ> 275 c. Ho: μ< 275 Hai u2 275 (claim) O D. Ho: µ = 275 (claim) Ha: µ> 275 Ο Ε. Ho: μ = 275 Ha: µ> 275 (claim) OF H : μ2 275 (claim) Ha: µ<275
Transcribed Image Text:A random sample of 88 eighth grade students' scores on a national mathematics assessment test has a mean score of 281. 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 275. Assume that the population standard deviation is 40. At a = 0.03, is there enough evidence to support the administrator's claim? Complete parts (a) through (e). ..... (a) Write the claim mathematically and identify H, and Ha. Choose the correct answer below. ' O A. Ho: µs 275 Hai H> 275 (claim) B. H0: μ<275 (claim) Ha: µ> 275 c. Ho: μ< 275 Hai u2 275 (claim) O D. Ho: µ = 275 (claim) Ha: µ> 275 Ο Ε. Ho: μ = 275 Ha: µ> 275 (claim) OF H : μ2 275 (claim) Ha: µ<275
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