The following sample data represent the number of late and on time flights for the Delta, United and US Airways. Excel File: data12-19.xlsx Airline Flight US Airways Delta United Late 39 51 56 On Time 261 249 344 a. Formulate the hypotheses for a test that will determine whether the population proportion of late flights is the same for all three airlines. Ho :- Select your answer - H :- Select your answer - b. Conduct the hypothesis test with a 0.05 level of significance. What is the p-value? Use Table 3 of Appendix B. The p-value is - Select your answer - What is your conclusion? - Select your answer -
The following sample data represent the number of late and on time flights for the Delta, United and US Airways. Excel File: data12-19.xlsx Airline Flight US Airways Delta United Late 39 51 56 On Time 261 249 344 a. Formulate the hypotheses for a test that will determine whether the population proportion of late flights is the same for all three airlines. Ho :- Select your answer - H :- Select your answer - b. Conduct the hypothesis test with a 0.05 level of significance. What is the p-value? Use Table 3 of Appendix B. The p-value is - Select your answer - What is your conclusion? - Select your answer -
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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Transcribed Image Text:The following sample data represent the number of late and on time flights for the Delta, United and US Airways.
Excel File: data12-19.xlsx
Airline
Flight
United
US Airways
Delta
Late
39
51
56
On Time
261
249
344
a. Formulate the hypotheses for a test that will determine whether the population proportion of late flights is the same for all three airlines.
Ho : - Select your answer -
Ha :- Select your answer -
b. Conduct the hypothesis test with a 0.05 level of significance. What is the p-value? Use Table 3 of Appendix B.
The p-value is - Select your answer -
What is your conclusion?
Select your answer -
c. Compute the sample proportion of late flights for each airline.
P1 =
(to 2 decimals)
P2 =
(to 2 decimals)
P3
(to 2 decimals)
What is the overall proportion of late flights for the three airlines? Round your answer to three decimal places.
The overall proportion of late flights for the three airlines is

Transcribed Image Text:.00
.01
.02
.03
.04
.05
.06
.07
.08
.09
-3.0
.0013
.0013
.0013
.0012
.0012
.0011
.0011
.0011
.0010
.0010
-2.9
.0019
.0018
.0018
.0017
.0016
.0016
.0015
.0015
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.0014
-2.8
.0026
.0025
.0024
.0023
.0023
.0022
.0021
.0021
.0020
.0019
-2.7
.0035
.0034
.0033
.0032
.0031
.0030
.0029
.0028
.0027
.0026
-2.6
.0047
.0045
.0044
.0043
.0041
.0040
.0039
.0038
.0037
.0036
-2.5
.0062
.0060
.0059
.0057
.0055
.0054
.0052
.0051
.0049
.0048
-2.4
.0082
.0080
.0078
.0075
.0073
.0071
.0069
.0068
.0066
.0064
-2.3
.0107
.0104
.0102
.0099
.0096
.0094
.0091
.0089
.0087
.0084
-2.2
.0139
.0136
.0132
.0129
.0125
.0122
.0119
.0116
.0113
.0110
-2.1
.0179
.0174
.0170
.0166
.0162
.0158
.0154
.0150
.0146
.0143
-2.0
.0228
.0222
.0217
.0212
.0207
.0202
.0197
.0192
.0188
.0183
-1.9
.0287
.0281
.0274
.0268
.0262
.0256
.0250
.0244
.0239
.0233
-1.8
.0359
.0351
.0344
.0336
.0329
.0322
.0314
.0307
.0301
.0294
-1.7
.0446
.0436
.0427
.0418
.0409
.0401
.0392
.0384
.0375
.0367
-1.6
.0548
.0537
.0526
.0516
.0505
.0495
.0485
.0475
.0465
.0455
-1.5
.0668
.0655
.0643
.0630
.0618
.0606
.0594
.0582
0571
.0559
-1.4
.0808
0793
.0778
.0764
.0749
.0735
.0721
.0708
.0694
.0681
-1.3
.0968
.0951
.0934
.0918
.0901
.0885
.0869
.0853
.0838
.0823
-1.2
.1151
.1131
.1112
1093
.1075
.1056
.1038
.1020
.1003
.0985
-1.1
.1357
.1335
.1314
.1292
.1271
.1251
.1230
.1210
.1190
.1170
-1.0
.1587
.1562
.1539
1515
.1492
.1469
.1446
.1423
.1401
.1379
-.9
.1841
.1814
.1788
1762
.1736
.1711
.1685
.1660
.1635
.1611
-.8
2119
2090
2061
.2033
2005
.1977
.1949
.1922
.1894
.1867
-7
2420
2389
2358
.2327
2296
2266
2236
2206
2177
2148
-.6
2743
.2709
2676
.2643
2611
2578
2546
2514
2483
2451
-.5
.3085
.3050
3015
2981
2946
2912
2877
2843
2810
2776
-4
.3446
.3409
.3372
.3336
.3300
.3264
.3228
.3192
.3156
.3121
-3
.3821
3783
.3745
.3707
.3669
.3632
.3594
.3557
.3520
.3483
-2
4207
.4168
4129
.4090
4052
4013
.3974
.3936
.3897
.3859
-1
.4602
.4562
4522
4483
4443
4404
4364
4325
4286
.4247
-.0
.5000
4960
.4920
4880
.4840
4801
.4761
.4721
4681
.4641
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