8.69 Vegetarianism Time magazine (July 15, 2002) quoted APP a poll of 10,000 Americans in which only 4% said they were v

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8.69 Vegetarianism Time magazine (July 15, 2002) quoted APP a poll of 10,000 Americans in which only 4% said they were v

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8 69 Vegetarianism Time Magazine July 15 2002 Quoted App A Poll Of 10 000 Americans In Which Only 4 Said They Were V 1
8 69 Vegetarianism Time Magazine July 15 2002 Quoted App A Poll Of 10 000 Americans In Which Only 4 Said They Were V 1 (153.93 KiB) Viewed 26 times
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.
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