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Suppose that 60% of all teenagers - both boys and girls - are classified as having good grades. Independent random samples of 537 boys and 689 girls who go to school in the Washington, DC, area are to be selected and surveyed and the proportions of teenagers with good grades are to be calculated.
-What is the mean of the sampling distribution of the difference between the two sample proportions (boys - girls)?

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Use the following information for questions:
 Suppose that 60% of all teenagers - both boys and girls - are classified as having good grades. Independent random samples of 537 boys and 689 girls who go to school in the Washington, DC, area are to be selected and surveyed and the proportions of teenagers with good grades are to be calculated.
-What is the mean of the sampling distribution of the difference between the two sample proportions (boys - girls)?

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The Answer of Use the following information for questions:
 Suppose that 60% of all teenagers - both boys and girls - are classified as having good grades. Independent random samples of 537 boys and 689 girls who go to school in the Washington, DC, area are to be selected and surveyed and the proportions of teenagers with good grades are to be calculated.
-What is the mean of the sampling distribution of the difference between the two sample proportions (boys - girls)?

Use the Following Information for Questions