Online Service Usage You are a travel agent and wish to estimate, with 97% confidence, the proportion of vacationers who use an online service or the internet to make travel reservations.
Your estimate must be accurate to within 3% of the population proportion.
1. No preliminary estimate is available. Find the minimum sample size needed.
2. Find the minimum sample size needed, using a prior study that found that 27% of the respondents
said they used an online service or the internet to make travel reservations.
3. What do conclude from the results found in questions 17 and 18?