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Level of significance and the p-value approach

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Reference no: EM132010721

It is believed that the percentage of students at a school who are middle aged is 25%. a sample of 200 students is selected, and found 60 students to be middle aged.

Use the 0.05 level of significance and the p-value approach. Is there evidence that 25% of the students are middle aged?

  • State the hypotheses
  • Test Statistic and calculations
  • Calculate the p-value

Reference no: EM132010721

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