college professor suspects the claim that the mean number of students that use library materials in a university weekly is at most 450. To check the claim, the professor checksa random sample of 100 library records and obtain the result that the mean number of students using the library materials is 458 with a standard deviation of 9. Test whether his claim is true at 0.05 level of significance.

college professor suspects the claim that the mean number of students that use library materials in a university weekly is at most 450. To check the claim, the professor checksa random sample of 100 library records and obtain the result that the mean number of students using the library materials is 458 with a standard deviation of 9. Test whether his claim is true at 0.05 level of significance.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 3GP

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Question

A college professor suspects the claim that the mean number of students that use library materials in a university weekly is at most 450. To check the claim, the professor checksa random sample of 100 library records and obtain the result that the mean number of students using the library materials is 458 with a standard deviation of 9. Test whether his claim is true at 0.05 level of significance.

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