Children and Environmental Tobacco Smoke at Home. Use the following information for Exercises 41–44. The Environmental Protection Agency reported that 11% of children age 6 and under were exposed to environmental tobacco smoke (ETS) at home on a regular basis (at least four times per week).15 A random sample of 100 children age 6 and under showed that 6% of these children had been exposed to ETS at home on a regular basis.

Question 9.308

42. Refer to Exercise 41.

  1. Which is the only possible error you can be making here, a Type I or a Type II error? What are some consequences of this error?
  2. Suppose that a newspaper headline reported “Second-hand Smoke Prevalence Down.” How would you respond? Does your inference support this headline?