In a study of the accuracy of fast food drive-through orders, McDonald's had 33 orders that were
Question:
In a study of the accuracy of fast food drive-through orders, McDonald's had 33 orders that were not accurate among 362 orders observed (based on data from QSR magazine). Construct a 95% confidence interval for the proportion of orders that are not accurate.
In each case,
(a) Find the best point estimate of the population proportion p;
(b) Identify the value of the margin of error E;
(c) Construct the confidence interval;
(d) Write a statement that correctly interprets the confidence interval.
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Step by Step Answer:
a p 33 362 00912 b c p E p p E 00912 00297 p 00912 00297 00615 ...View the full answer
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Related Book For 
Mathematical Interest Theory
ISBN: 9781470465681
3rd Edition
Authors: Leslie Jane, James Daniel, Federer Vaaler
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