Page 1 of 1
Aresearcher wishes to estimate, with 90% confidence, the population proportion of families who eat fast food at least on
Posted: Mon Jul 11, 2022 11:41 am
by answerhappygod
- Aresearcher Wishes To Estimate With 90 Confidence The Population Proportion Of Families Who Eat Fast Food At Least On 1 (22.57 KiB) Viewed 42 times
Aresearcher wishes to estimate, with 90% confidence, the population proportion of families who eat fast food at least once per week. Her estimate must be accurate within 3% of the population 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 22% of the respondents said they eat fast food four to six times per week (c) Compare the results from parts (a) and (b) (a) What is the minimum sample size needed assuming that no prior information is available? no (Round up to the nearest whole number as needed)