8.69 Vegetarianism Time magazine (July 15, 2002) quoted APP a poll of 10,000 Americans in which only 4% said they were v
Posted: Wed May 11, 2022 1:31 pm
8.69 Vegetarianism Time magazine (July 15, 2002) quoted APP a poll of 10,000 Americans in which only 4% said they were vegetarians. a. What has to be assumed about this sample to con- struct a confidence interval for the population pro- portion of vegetarians?
b. Construct a 99% confidence interval for the popula- tion proportion. Explain why the interval is so narrow, even though the confidence level is high. c. In interpreting this confidence interval, can you con- clude that fewer than 10% of Americans are vegetari- ans? Explain your reasoning.
b. Construct a 99% confidence interval for the popula- tion proportion. Explain why the interval is so narrow, even though the confidence level is high. c. In interpreting this confidence interval, can you con- clude that fewer than 10% of Americans are vegetari- ans? Explain your reasoning.