When a company advertises on the Internet, the company pays the operators of sea

Question

When a company advertises on the Internet, the company pays the operators of search engines each time an ad for the company appears with search results and someone clicks on the link. Click fraud is when a computer program pretending to be a customer clicks on the link. An analysis of 1,100 clicks coming into a company's site during a week identified 175 of these clicks as fraudulent.

(b) Show the 95% confidence interval for the population proportion of fraudulent clicks in a form suitable for sharing with a nontechnical audience The 95% confidence interval for the population proportion is Round to one decimal place as needed.) m ] % to

Explanation / Answer

The statistical software output for this problem is:

One sample proportion summary confidence interval:
p : Proportion of successes
Method: Standard-Wald

95% confidence interval results:

Hence,

95% confidence interval will be:

[13.7% to 18.1%]

Proportion Count Total Sample Prop. Std. Err. L. Limit U. Limit p 175 1100 0.15909091 0.011028104 0.13747622 0.1807056

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