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A researcher wishes to estimate with 90 confidence the population proportion of adults who support...

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A researcher wishes to estimate with 90 confidence the population proportion of adults who support labeling legislation for genetically modified organisms GMOs Her estimate must be accurate within 5 of the true proportion a No preliminary estimate is available Find the minimum sample size needed b Find the minimum sample size needed using a prior study that found that 84 of the respondents said they support labeling legislation for GMOS c Compare the results from parts a and b a What is the minimum sample size needed assuming that no prior information is available n 271 Round up to the nearest whole number as needed b What is the minimum sample size needed using a prior study that found that 84 of the respondents support labeling legislation n Round up to the nearest whole number as needed

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