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Question 10 options:

From a sample of 487 teenagers, a total of 385 had their pictures online.

Find the best estimate of the proportion of teenagers having online pictures.

Note: Enter X.XXX AT LEAST ONE DIGIT BEFORE THE DECIMAL, THREE AFTERand round up. Thus, 27 is entered as 27.000, 3.5638 is entered as 3.564, 0.3754 is entered as 0.375

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From a sample of 487 teenagers, a total of 385 had their pictures online.

Find the standard deviation of the best estimate of the proportion of teenagers having online pictures.

Note: Enter X.XXX AT LEAST ONE DIGIT BEFORE THE DECIMAL, THREE AFTERand round up. Thus, 27 is entered as 27.000, 3.5638 is entered as 3.564, 0.3754 is entered as 0.375

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From a sample of 487 teenagers, a total of 385 had their pictures online.

Find the Margin of Error for a 95% confidence interval.

Note: Enter X.XXX AT LEAST ONE DIGIT BEFORE THE DECIMAL, THREE AFTERand round up. Thus, 27 is entered as 27.000, 3.5638 is entered as 3.564, 0.3754 is entered as 0.375

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From a sample of 487 teenagers, a total of 385 had their pictures online.

Find the UPPER LIMIT of a 95% confidence interval.

Note: Enter X.XXX AT LEAST ONE DIGIT BEFORE THE DECIMAL, THREE AFTERand round up. Thus, 27 is entered as 27.000, 3.5638 is entered as 3.564, 0.3754 is entered as 0.375

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From a sample of 487 teenagers, a total of 385 had their pictures online.

Find the sample size required to attain a Margin of Error of ±{"version":"1.1","math":"±"}3% for a 95% confidence interval assuming the population proportion is p=0.75.

Note: Enter X INTEGER with NO decimal and round up. Thus, 7 is entered as 7, 3.5 is entered as 4, 0.3750 is entered as 0

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