Use the information below to answer Questions #23 and # 24. 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 4% of the true proportion. What is the minimum sample size n needed using a prior study that found that 32% of the respondents said they eat fast food four to six times per week? Round up to the nearest whole number.

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Use the information below to answer Questions #23 and #24.
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 4% of the true proportion.
What is the minimum sample size n needed using a prior study that found that 32% of the
respondents said they eat fast food four to six times per week? Round up to the nearest whole
number.
Transcribed Image Text:Use the information below to answer Questions #23 and #24. 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 4% of the true proportion. What is the minimum sample size n needed using a prior study that found that 32% of the respondents said they eat fast food four to six times per week? Round up to the nearest whole number.
Use the information below to answer Questions #23 and #24.
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 4% of the true
proportion.
What is the minimum sample size n needed assuming that no prior information is available? Round
up to the nearest whole number.
Transcribed Image Text:Use the information below to answer Questions #23 and #24. 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 4% of the true proportion. What is the minimum sample size n needed assuming that no prior information is available? Round up to the nearest whole number.
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