A researcher wishes to estimate, with 90% confidence, the population proportion of adults who support labeling legislati

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A researcher wishes to estimate, with 90% confidence, the population proportion of adults who support labeling legislati

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A Researcher Wishes To Estimate With 90 Confidence The Population Proportion Of Adults Who Support Labeling Legislati 1
A Researcher Wishes To Estimate With 90 Confidence The Population Proportion Of Adults Who Support Labeling Legislati 1 (153.57 KiB) Viewed 8 times
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 3% 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 77% of the respondents said they support labeling legislation for GMOs. (c) Compare the results from parts (a) and (b).
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