A researcher wishes to estimate, with 95% confidence, the population proportion of adults who eat fast food four to six times per week. Her estimate must be accurate within 5% of the population...

I need all parts including a, b, and c with accurate answer please.


Extracted text: A researcher wishes to estimate, with 95% confidence, the population proportion of adults who eat fast food four to six times per week. Her estimate must be accurate within 5% of the population proportion. in Question Help ▼ (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 46% of the respondents said they eat fast food four to six times per week. alts (c) Compare the results from parts (a) and (b). al fa (a) What is the minimum sample size needed assuming that no prior information is available? al p n= (Round up to the nearest whole number as needed.) Enter your answer in the answer box and then click Check Answer. Check Answer Clear All 2 parts remaining 59 (? ^ E E 4 a nere to search delete ort sc