3.study the ladder logic program in figure 7-32 on page 196, and answer the questions that follow12/1/2022 There has been debate among doctors over whether surgery can prolong life among men suffering from prostrate cancer, a type of cancer that typically develops and spreads very slowly. We are 95% confident that the proportions of teens whose parents disapprove of smoking who will eventually smoke is between 22.1% more and 19.6% less than for teens with parents who are lenient about smoking. We are 95% confident that the proportions of teens whose parents disapprove of smoking who will eventually smoke is between 7.3% and 22.1% higher than for the teens with parents who are lenient about smoking.Į. The proportion of teens whose parents disapprove of smoking who will eventually smoke is between 6.5% less and 22.1% more than for teens with parents who are lenient about smoking.ĭ. We are 95% confident that the proportions of teens whose parents disapprove of smoking who will eventually smoke is between 6.5% and 22.1% more than for teens with parents who are lenient about smoking.Ĭ. We are 95% confident that the proportions of teens whose parents disapprove of smoking who will eventually smoke is between 6.5% less and 22.1% more than for teens with parents who are lenient about smoking.ī. Among the 41 students who initially said their parents were lenient about smoking, 11 became smokers.Ī. The researchers found that, among the 284 students who indicated that their parents disapproved of kids smoking, 54 had become established smokers. These students were questioned again two years later to see if they had started smoking. A group of students who had never smoked were questioned about their parents' attitudes toward smoking. There is a 99% chance that the true proportion of home sellers in Illinois who sell their home with a real estate agent is between 70% and 80%.Ī Vermont study published in December 2001 by the American Academy of Pediatrics examined parental influence on teenagers' decision to smoke. About 99% of all random samples of home sellers in Illinois will find that between 70% and 80% of homes are sold by a real estate agent.Į. In 99% of the years, between 70% and 80% of homes in Illinois are sold by a real estate agent.ĭ. 99% of home sellers in Illinois will sell their home with a real estate agent between 70% and 80% of the time.Ĭ. About 99% of all random samples of home sellers in Illinois will produce a confidence interval that contains the true proportion of homes sold by a real estate agent.ī. Explain what "99% confidence" means in this context.Ī. A survey of randomly selected home sellers in Illinois found that a 99% confidence interval for the proportion of homes that are sold by a real estate agent is 70% to 80%. The real estate industry claims that it is the best and most effective system to market residential real estate.
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