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A researcher wishes to us to meet, with 90% confidence, the population proportion of adults who support labeling legislation for genetically modified organisms ( GMOs).
A researcher wishes to us to meet, with 90% confidence, the population proportion of adults who support labeling legislation for genetically modified organisms ( GMOs). Her estimate must be accurate within 7% 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 79% of the respondents said they support labeling legislation for GMOs.(C) Compare the results from parts (a) and (b) ANSWER A,B,C PLEASE
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