The following sample data represent the number of late and on time flights for the Delta, United and US Airways (Bureau of Transportation Statistics, March (2012 ). AirlineFlightDeltaUnitedUS AirwaysLate395156On Time261249344 Compute the sample proportion of late flights for each airline. What is the overall proportion of late flights for the three airlines? Round your answer to three decimal places.P1 =P2 =P3 =The overall proportion of late flights for the three airlines is

Given that data of airways Delta United US airways Total Late 39 51 56 146 On time 261 249…

Answered: Airline Flight Delta United US…

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 6E

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The following sample data represent the number of late and on time flights for the Delta, United and US Airways (Bureau of Transportation Statistics, March (2012 ).

	Airline
Flight	Delta	United	US Airways
Late	39	51	56
On Time	261	249	344

Compute the sample proportion of late flights for each airline. What is the overall proportion of late flights for the three airlines? Round your answer to three decimal places.

P1 =

P2 =

P3 =

The overall proportion of late flights for the three airlines is

Expert Solution

Step1 - Writing given data

Given that data of airways

	Delta	United	US airways	Total
Late	39	51	56	146
On time	261	249	344	854
Total	300	300	400	1000=N

we know that

$S a m p l e p r o p o r t i o n o f l a t e f l i g h t s = \frac{L a t e f l g h t s i n t h a t a i r l i n e}{T o t a l f l i g h t s i n t h a t a i r l i n e}$

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