According to businessweek many japanese consider their cell, Ask an Expert

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According to BusinessWeek, many Japanese consider their cell phones toys rather than tools.

If a random sample of 200 Japanese cell phone owners reveals that 80 of them consider their device a toy, calculate a 90% confidence interval for the population proportion of Japanese cell phone users who feel this way.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92183395

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