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QUESTION 28 All of the next several questions refer to this situation and analysis (until a new situation is given.) You suspect that a greater

QUESTION 28

All of the next several questions refer to this situation and analysis (until a new situation is given.) You suspect that a greater proportion of doctors' offices in cities keep patient records electronically than those in smaller towns. You take a sample of 50 offices from cities, and find that 32 keep records electronically, while in your sample of 35 from towns, 18 did so. Question: What is the sample proportion for city offices (to three decimal places)?

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QUESTION 29

What is the point estimate for the difference between population proportions (to at least three decimal places)?

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