Determine the minimum sample size required

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Tesearcher wants to estimate, with 95% confidence, proportion of adults who have high-speed Internet access. Her evaluations should be accurate within 1% of the true proportion.

a.) Determine the minimum sample size required using prior study that found that 54% of respondents said they have high-speed Internet access.

b.) No preliminary estimate is available. Determine the minimum sample size required.

Reference no: EM13112363

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