A competency test is modified so that the proportion of test-takers that pass is more than 75%. A simple random sample of test-takers is collected to determine if the proportion of passers is greater...

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A competency test is modified so that the proportion of test-takers that pass is more than 75%. A simple random<br>sample of test-takers is collected to determine if the proportion of passers is greater than 75%. The results of the<br>sample are shown below.<br>Competency test sample<br>passed<br>80<br>Observations<br>100<br>Confidence Level<br>0.9<br>Critical value<br>1.28<br>test statistic (z)<br>1.15<br>p= Ex: 1.234<br>p-value<br>0.124<br>-1<br>z = Ex: 1.234<br>n = Ex: 9<br>Number passed = Ex: 9<br>Sample proportion p = Ex: 1.234<br>

Extracted text: A competency test is modified so that the proportion of test-takers that pass is more than 75%. A simple random sample of test-takers is collected to determine if the proportion of passers is greater than 75%. The results of the sample are shown below. Competency test sample passed 80 Observations 100 Confidence Level 0.9 Critical value 1.28 test statistic (z) 1.15 p= Ex: 1.234 p-value 0.124 -1 z = Ex: 1.234 n = Ex: 9 Number passed = Ex: 9 Sample proportion p = Ex: 1.234

Jun 02, 2022

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A competency test is modified so that the proportion of test-takers that pass is more than 75%. A simple random sample of test-takers is collected to determine if the proportion of passers is greater...

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