Advertisers contract with Internet service providers and search engines to place ads on websites. They pay...

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Advertisers contract with Internet service providers and searchengines to place ads on websites. They pay a fee based on thenumber of potential customers who click on their ad. Unfortunately,click fraud—the practice of someone clicking on an ad solely forthe purpose of driving up advertising revenue—has become a problem.According to BusinessWeek 43% of advertisers claim theyhave been a victim of click fraud. Suppose a simple random sampleof 300 advertisers will be taken to learn more about how they areaffected by this practice. Use z-table.

a. What is the probability that the sampleproportion will be within +- 0.03 of the population proportionexperiencing click fraud?

(to 4 decimals)

b. What is the probability that the sampleproportion will be greater than 0.49?

(to 4 decimals)

Answer & Explanation Solved by verified expert
4.3 Ratings (546 Votes)
SolutionGiven thatp 0431 p 1 043 057n 300 p    See Answer
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