Question
140 students were surveyed on whether they preferred cheeseburgers or hotdogs for lunch. Of those surveyed, 20% stated that they preferred cheeseburgers. Determine a 95%
140 students were surveyed on whether they preferred cheeseburgers or hotdogs for lunch. Of those surveyed, 20% stated that they preferred cheeseburgers.
Determine a 95% confidence interval for the proportion of students who prefer cheeseburgers.
We are 95& confident that the true proportion is between ____ % and _____%.
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Probability and Stochastic Processes A Friendly Introduction for Electrical and Computer Engineers
Authors: Roy D. Yates, David J. Goodman
3rd edition
1118324560, 978-1118324561
