(c) In a random sample of visitors to a famous tourist attraction, 252 of 750 American tourists and 312 of 500 foreign tourists bought souvenirs. Construct a 96% confidence interval for the difference between the true proportions of American and foreign tourists who buy souvenirs at this tourist attraction.
(c) In a random sample of visitors to a famous tourist attraction, 252 of 750 American tourists and 312 of 500 foreign tourists bought souvenirs. Construct a 96% confidence interval for the difference between the true proportions of American and foreign tourists who buy souvenirs at this tourist attraction.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.5: Interpreting Data
Problem 1C
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Transcribed Image Text:(c) In a random sample of visitors to a famous tourist attraction, 252 of 750
American tourists and 312 of 500 foreign tourists bought souvenirs. Construct
a 96% confidence interval for the difference between the true proportions of
American and foreign tourists who buy souvenirs at this tourist attraction.
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