Answered: Table 1 gives flight arrival numbers…

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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Table 1 gives flight arrival numbers from a random sample of flights for two airlines.

	Early	On-time	Late	Total
Airline 1	133	416	153	702
Airline 2	58	354	87	499
Total	191	770	240	1201

Table 1 Arrival times for two airlines

Test whether there is a difference between the two airlines in the percent of flights that arrive late.

(a) Find the relevant sample proportions in each group and the pooled proportion.

Round your answers to three decimal places, if necessary.

p^1= Enter your answer in accordance to item (a) of the question statement

p^2= Enter your answer in accordance to item (a) of the question statement

p^= Enter your answer in accordance to item (a) of the question statement

(b) State the null and alternative hypotheses. Your answer should be an expression composed of symbols: =,≠,<,>,μ,μ1,μ2,p,p1,p2,ρ,p^,p^1,p^2,r.

Round your answer for the test statistic to two decimal places and your answer for the p-value to three decimal places.

test statistic =
p-value =

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