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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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Score: 0 of 1 pt 10 of 11 (9 complete) 6.3.18-T Tutoring Question Help 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 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). (a) What is the minimum sample size needed assuming that no prior information is available? n= (Round up to the nearest whole number as needed.)

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