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A researcher wishes to estimate, with 95% confidence, the population proportion of families who eat fast food at least o
Posted: Mon Jul 11, 2022 11:52 am
by answerhappygod
- A Researcher Wishes To Estimate With 95 Confidence The Population Proportion Of Families Who Eat Fast Food At Least O 1 (7.68 KiB) Viewed 36 times
A researcher wishes to estimate, with 95% confidence, the population proportion of families who eat fast food at least once per week. Her eitimate must be accurate within 25% of the population proportion (a) No preliminary estimate is availabls Find the minimum sample sizs needed (b) Find the minimum sample size needed, using a prior study that found that 30% of the respondents said they eat fast food four to six times per week (c) Compare the results from parts (a) and (b)