Advertisers contract with Internet service providers and search engines to place ads onwebsites. They pay a fee based on the number of potential customers who click on theirad. Unfortunately, click fraud—the practice of someone clicking on an ad solely for thepurpose of driving up advertising revenue—has become a problem. Forty percent ofadvertisers claim they have been a victim of click fraud (Businessweek, March 13, 2006).Suppose a simple random sample of 380 advertisers will be taken to learn more about howthey are affected by this practice.a. What is the probability that the sample proportion will be within ±.04 of the population proportion experiencing click fraud?

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Q: What does Common outcomes signify in statistics.

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Q: Among college students, the proportion p who say they're interested in their congressional…

A:

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.