25. Accuracy of the Drive Thru According to QSR Magazine, Chick-fil-A has the best accuracy of drive thru orders with 96.4% of all its drive thru orders filled correctly. The manager of a competing fast food restaurant wants to advertise that her drive thru is more accurate that Chick-fil-A. In a random sample of 350 drive thru orders, how many accurate orders would the manager need out of 350 to be able to claim her drive thru has a statistically significantly better accuracy record than Chick-fil-A at the 0.1 level of significance?

25. Accuracy of the Drive Thru According to QSR Magazine, Chick-fil-A has the best accuracy of drive thru orders with 96.4% of all its drive thru orders filled correctly. The manager of a competing fast food restaurant wants to advertise that her drive thru is more accurate that Chick-fil-A. In a random sample of 350 drive thru orders, how many accurate orders would the manager need out of 350 to be able to claim her drive thru has a statistically significantly better accuracy record than Chick-fil-A at the 0.1 level of significance?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 7E

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