The following are the average grade of a sample of 20 Senior High School students for the first semester. Test the claim that the average grade of the students is LESS THAN 90. Use 5% level of significance. 91 88 93 95 95 85 89 93 89 91 91 92 89 89 84 87 88 88 89 93 Which are the correct null and alternative hypotheses? Oa. Ho: The average grade of the students is less than 90. Ha: The average grade of the students is equal to 90. Ob. Ho: The average grade of the students is not equal to 90. Ha: The average grade of the students is not equal to 90. Oc. Ho: The average grade of the students is greater than 90. Ha: The average grade of the students is greater than 90. d. Ho: The average grade of the students is equal to 90. Ha: The average grade of the students is less than 90.

The following are the average grade of a sample of 20 Senior High School students for the first semester. Test the claim that the average grade of the students is LESS THAN 90. Use 5% level of significance. 91 88 93 95 95 85 89 93 89 91 91 92 89 89 84 87 88 88 89 93 Which are the correct null and alternative hypotheses? Oa. Ho: The average grade of the students is less than 90. Ha: The average grade of the students is equal to 90. Ob. Ho: The average grade of the students is not equal to 90. Ha: The average grade of the students is not equal to 90. Oc. Ho: The average grade of the students is greater than 90. Ha: The average grade of the students is greater than 90. d. Ho: The average grade of the students is equal to 90. Ha: The average grade of the students is less than 90.

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 5E: List the sample space of each experiment. Rolling one die and tossing one coin

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