A researcher wishes to estimate, with 95% confidence, the proportion of adults w

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A researcher wishes to estimate, with 95% confidence, the proportion of adults who have high-speed Internet access. Her estimate must be accurate within 3% of the true proportion Find the minimum sample size needed, using a prior study that found that 34% of the respondents said they have high speed Internet access. No preliminary estimate is available Kind the minimum sample size needed What is the minimum sample size needed using a prior study that found that 34% of the respondents said they have high-speed Internet access? What is the minimum sample size needed assuming that no preliminary estimate is available?

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A researcher wishes to estimate, with 95% confidence, the proportion of adults w

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