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Description: In a study of fast food resturants, a simple random sample of Burger Empire drive-through orders, it was found that 55 orders were accurate and 1 were not accurate. In a simple random sample for Happy Burger drive-through orders, it was found 46 orde

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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In a study of fast food resturants, a simple random sample of Burger Empire drive-through orders, it was found that 55 orders were accurate and 1 were not accurate. In a simple random sample for Happy Burger drive-through orders, it was found 46 orders were accurate and 1 were not accurate. Find a 92% confidence interval for the difference of proportions of all accurate orders from Burger Empire and Happy burger. (Round your answers to three decimal places.)

margin of error:
lower limit:
upper limit:

Based on the results, does Burger Empire have a higer accuracy rate than Happy Burger?

It's not clear if Burger Empire has a higher accuracy rate than Happy Burger.
Yes, we are 92% confident that Burger Empire has a higer accuracy rate than Happy Burger.
No, we are 92% confident that Burger Empire has a lower accuracy rate than Happy Burger.

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