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Mathematics, 04.04.2020 07:45, cgattis6935
A certain university has decided to introduce the use of plus and minus with letter grades, as long as there is evidence that more than 40% of the faculty favor the change. A random sample of faculty will be selected, and the resulting data will be used to test the relevant hypotheses.
1. If p represents the proportion of all faculty that favor a change to plus-minus grading, which of the following pairs of hypotheses should the administration test?
O H0: p = 0.4 versus Ha: p > 0.4
O H0: p = 0.4 versus Ha: p < 0.4
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Answers: 3
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