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A researcher conducts a study of white and black attitudes toward the police in her community. The...

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Basic Math

A researcher conducts a study of white and black attitudestoward the police in her community.

The percentage of a random sample of white respondents (N = 200)who say they have a favorable attitude toward the police is 53%.The percentage of a random sample of black respondents (N = 200)who say they have a favorable attitude toward the police is45%.

You are asked if there is a real difference between thepercentage of whites and blacks who have a positive attitude towardthe police in the larger population, or is this sample differencelikely to have occurred by random chance or sampling error.

How do you respond? Explain your answer.

Construct a 95% confidence interval for the proportion of Blacksin the population who have a favorable attitude toward thepolice

Answer & Explanation Solved by verified expert
3.9 Ratings (737 Votes)
For White RespondentsFor Black RespondentsNull and Alternative HypothesisTest    See Answer
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