A simple random sample of size n is drawn. The sample mean, x, is found to be 19.2, and the sample standard deviation, s, is found to be 4.3. FClick the icon to view the table of areas under the t-distribution. (a) Construct a 95% confidence interval about μ if the sample size, n, is 35. Lower bound:; Upper bound: (Use ascending order. Round to two decimal places as needed.)
A simple random sample of size n is drawn. The sample mean, x, is found to be 19.2, and the sample standard deviation, s, is found to be 4.3. FClick the icon to view the table of areas under the t-distribution. (a) Construct a 95% confidence interval about μ if the sample size, n, is 35. Lower bound:; Upper bound: (Use ascending order. Round to two decimal places as needed.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Transcribed Image Text:2
3
4
5
5
7
A
tion Area in Right Tail
3
9
_0
.1
_2
.3
_4
5
.6
7
8
9
20
1
:2
23
:4
25
6
27
8
9
:0
:1
=2
3
4
5
=6
7
8
9
-0
-1
0.25
1
0.816
0.765
0.741
0.727
0.718
0.711
0.706
0.703
0.7
0.697
0.695
0.694
0.692
0.691
0.69
0.689
0.688
0.688
0.687
0.686
0.686
0.685
0.685
0.684
0.684
0.684
0.683
0.683
0.683
0.681
50
0.679
60
0.679
80
0.678
100
0.677
1000
0.675
0.674
0.25
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1456
40
188
C
0.2
1.376
1.061
0.978
0.941
0.92
0.906
0.896
0.889
0.883
0.879
0.876
0.873
0.87
0.868
0.866
0.865
0.863
0.862
0.861
0.86
0.859
0.858
0.858
0.857
0.856
0.856
0.855
0.855
0.854
0.854
0.851
0.849
0.848
0.846
0.845
0.842
0.841
0.2
D
0.15
1.963
1.386
1.25
1.19
1.156
1.134
1.119
1.108
1.1
1.093
1.088
1.083
1.079
1.076
1.074
1.071
1.069
1.067
1.066
1.064
1.063
1.061
1.06
1.059
1.058
1.058
1.057
1.056
1.055
1.055
1.05
1.047
1.045
1.043
1.042
1.037
1.036
0.15
E
0.1
3.078
1.886
1.638
1.533
1.476
1.44
1.415
1.397
1.383
1.372
1.363
1.356
1.35
1.345
1.341
1.337
1.333
1.33
1.328
1.325
1.323
1.321
1.319
1.318
1.316
1.315
1.314
1.313
1.311
1.31
1.303
1.299
1.296
1.292
1.29
1.282
1.282
0.1
F
0.05
6.314
2.92
2.353
2.132
2.015
1.943
1.895
1.86
1.833
1.812
1.796
1.782
1.771
1.761
1.753
1.746
1.74
1.734
1.729
1.725
1.721
1.717
1.714
1.711
1.708
1.706
1.703
1.701
1.699
1.697
1.684
1.676
1.671
1.664
1.66
1.646
1.645
0.05
G
0.025
12.706
4.303
3.182
2.776
2.571
2.447
2.365
2.306
2.262
2.228
2.201
2.179
2.16
2.145
2.131
2.12
2.11
2.101
2.093
2.086
2.08
2.074
2.069
2.064
2.06
2.056
2.052
2.048
2.045
2.042
2.021
2.009
2
1.99
1.984
1.962
1.96
0.025
H
0.02
15.894
4.849
3.482
2.999
2.757
2.612
2.517
2.449
2.398
2.359
2.328
2.303
2.282
2.264
2.249
2.235
2.224
2.214
2.205
2.197
2.189
2.183
2.177
2.172
2.167
2.162
2.158
2.154
2.15
2.147
2.123
2.109
2.099
2.088
2.081
2.056
2.054
0.02
0.01
31.821
6.965
4.541
3.747
3.365
3.143
2.998
2.896
2.821
2.764
2.718
2.681
2.65
2.624
2.602
2.583
2.567
2.552
2.539
2.528
2.518
2.508
2.5
2.492
2.485
2.479
2.473
2.467
2.462
2.457
2.423
2.403
2.39
2.374
2.364
2.33
2.326
0.01
K
L
M
0.0005
0.005 0.0025
0.001
63.657 127.321 318.309 636.619
9.925 14.089 22.327 31.599
5.841
7.453 10.215 12.924
4.604
5.598
7.173
8.61
4.032
4.773
5.893
6.869
3.707
5.959
5.208
4.785
3.499
5.408
4.317
4.029
3.833
3.69
3.581
3.355
3.25
3.169
4.501
5.041
4.781
4.297
4.144
4.587
3.106
3.497
4.025
4.437
3.055
3.428
3.93
4.318
3.012
3.372
3.852
4.221
2.977
3.326
3.787
4.14
2.947
3.286
3.733
4.073
2.921
3.252
3.686
4.015
2.898
3.222
3.646
3.965
2.878
3.197
3.611
3.922
2.861
3.174
3.579
3.883
2.845
3.153
3.552
3.85
2.831
3.135
3.527
3.819
2.819
3.119
3.505
3.792
2.807
3.104
3.485
3.768
2.797
3.091
3.467
3.745
2.787
3.078
3.45
3.725
2.779
3.067
3.435
3.707
2.771
3.057
3.421
3.69
2.763
3.047
3.408
3.674
2.756
3.038
3.396
3.659
2.75
3.03
3.385
3.646
2.704
2.971
3.307
3.551
2.678
2.937
3.261
3.496
2.66
2.915
3.232
3.46
2.639
2.887
3.195
3.416
2.626
2.871
3.174
3.39
2.581
2.813
3.098
3.3
2.576
2.807
3.091
3.291
0.005
0.0025
0.001
0.0005
N
O
P
Q
R
Transcribed Image Text:Homework: Section 9.2 Homework update
Question 2, 9.2.19
Part 1 of 6
>
A simple random sample of size n is drawn. The sample mean, x, is found to be 19.2, and the sample standard deviation, s, is found to be 4.3.
Click the icon to view the table of areas under the t-distribution.
(a) Construct a 95% confidence interval about µ if the sample size, n, is 35.
μ
Lower bound:; Upper bound:
(Use ascending order. Round to two decimal places as needed.)
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