An instructor believes that 20 or less of the students who

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An instructor believes that 20% or less of the students who finish a statistics course get an "A" grade. A sample of 90 students was taken and 25 of the students in the sample received an "A" grade. Test the instructor's claim at a 5% level of significance. What is your conclusion? What is the p-value for this test

Reference no: EM13629189

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