unknown6669
09.11.2020 •
Mathematics
Pizzatime. In a survey of approximately 2273 American adults, 386 of them like pizza.
(a) Calculate a 95% confidence interval for the proportion of Americans who like pizza.
(b) Interpret the confidence interval in the context of the study:
A)We can be 95% confident that the proportion of Americans who like pizza is in this confidence interval
B)We can be 95% confident that our confidence interval contains the sample proportion of Americans who
like pizza
C)95% of Americans who like pizza
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Ответ:
it is (a) Calculate a 95% confidence interval for the proportion of Americans who like pizza.
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