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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?
Change the frequencies to percentages - is there a group more likely to get high salaries.
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