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A researcher wishes to estimate, with 95% confidence, the population proportion of adults who eat fast food 4 to 6 times per week. Her estimate
A researcher wishes to estimate, with 95% confidence, the population proportion of adults who eat fast food 4 to 6 times per week. Her estimate must be accurate within 2% of the population proportionA) No preliminary estimate is available. Find the minimum sample size neededB) find the minimum sample size needed, using a prior study that found that 28% of the respondents said they eat fast food 4 to 6 times per week. C) Compare the results from parts A & B ANSWER PARTS A & B PLEASE
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