Question 8.64

64. Latino Tobacco Consumption. Refer to Exercise 60.

  1. Compute and interpret the margin of error.
  2. How large a sample size would have been required if the Bureau of Labor Statistics (BLS) had wanted to estimate the population mean amount spent by American Latinos to within $50 with 95% confidence?
  3. How large a sample size would have been required if the BLS had wanted to estimate the population mean amount spent by American Latinos to within $10 with 95% confidence?