199 181 55 126 124 205 90 120 216 167 198 183 173 187 143 166 147 219 206 97

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 58E: What is meant by the sample space of an experiment?
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1. The Barbadian Education Ministry in a recent publication claims that the mean score for grade 8 studens on a math achievement test is more than 120. You randomly select 36 test scores. The results is listed below.

188 80 175 195 201 143 119 81 118 119
165 222 109 134 200 110 199 181 55 126
124 205 90 120 216 167 198 183 173 187
143 166 147 219 206 97        

a. Test the hypothesis that mean score for grade 8 students on a math achievement test is more than 120. Use the 5% level of significance

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