A researcher wishes to estimate with 99 confidence the propo

A researcher wishes to estimate with 99% confidence, the proportion of adults who have high=speed internet access. Her estimate must be accurate within 5% 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. 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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