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Review problem related to the cell phones toys

Assignment Help Basic Statistics
Reference no: EM131694184

Question: 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.

Reference no: EM131694184

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