A recent report suggests that Chief Information Officers (CIO's) who report directly to Chief Financial Officers...

A recent report suggests that Chief Information Officers (CIO's) who report directly to Chief Financial Officers (CFO's) rather than Chief Executive Officers (CEO's) are more likely to have IT agendas that deal with cost cutting and compliance. In a random sample of 843 companies, it was found that CIO's reported directly toCFO's in 169 out of 524 service firms and in 107 out of 319 manufacturing companies.

Give a 95% confidence interval for the difference p1−p2, where p1 and p2 are the proportions of CIO's who report directly to the CFO in service firms and manufacturing companies, respectively.

The 95% confidence interval is

( ____ , ____ )

(Round to three decimal places as needed. Use ascending order.)

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orchestra answered 1 year ago

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