A survey was conducted that asked 1019 people how many books they had read in the past year. Results indicated that x= 13.4 books and s= 16.6 books. Construct a 90% confidence interval for the mean number of books people read. Interpret the interval. Click the icon to view the table of critical t-values. .... Construct a 90% confidence interval for the mean number of books people read and interpret the result. Select the correct choice below and fill in the answer boxes to complete your choice. (Use ascending order. Round to two decimal places as needed.) O A. There is 90% confidence that the population mean number of books read is between and O B. If repeated samples are taken, 90% of them will have a sample mean between and O C. There is a 90% probability that the true mean number of books read is between and
A survey was conducted that asked 1019 people how many books they had read in the past year. Results indicated that x= 13.4 books and s= 16.6 books. Construct a 90% confidence interval for the mean number of books people read. Interpret the interval. Click the icon to view the table of critical t-values. .... Construct a 90% confidence interval for the mean number of books people read and interpret the result. Select the correct choice below and fill in the answer boxes to complete your choice. (Use ascending order. Round to two decimal places as needed.) O A. There is 90% confidence that the population mean number of books read is between and O B. If repeated samples are taken, 90% of them will have a sample mean between and O C. There is a 90% probability that the true mean number of books read is between and
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
12
Transcribed Image Text:- Area in
right tail
t-Distribution
Area in Right Tail
Degrees of
Freedom
0,25
0,20
0.15
0.10
0.05
0.025
0.02
0.01 0.005 00025 0.001 0.0005
1.376
1.061
0.978
0.941
0,920
1.963
1.386
1.250
1.190
6.314
2.920
2.353
2.132
2.015
12.706 15.894
4.303
3.182
2.776
2.571
31.821 63.657
6.965
9.925
4.541
5.841
1
1.000
0.816
0.765
0.741
0.727
3.078
1.886
127.321 318.309 636.619
22.327
10.215
Z173
5.893
14.089
7453
5.598
4.773
31.599
12.924
8.610
6.869
4.849
3.482
3
4
5
1.638
1.533
3.747
2.999
2.757
4.604
1.156
1.476
3.365
4.032
1.440
1.415
1.397
1.383
1.372
0.906
1.134
1.943
3.707
2.447
2.365
2.306
2.262
2,228
2.612
2.517
2.449
2.398
2.359
3.143
0.718
0.711
0.706
0.703
0.700
1.895
1.860
1.833
1.812
3.499
2.896 3.355
2.821
4.317
4.029
3.833
3.690
3.581
5.208
4.785
4.501
4.297
4.144
5.959
5.408
5.041
4.781
4,587
0.896
1.119
2.998
8
0.889
1.108
0.883 1.100
0.879 1.093
3.250
10
2,764
3.169
0.697
0.695
0.694
0.692
3.497
0.876
1.088
0.873
1.083
0.870
1.079
0,868
1.076
0.866 1.074
1.363
1.356
1.350
1.345
1.341
2.328
2.303
2.282
2.264
2.249
2.718
11
12
13
1.796
1.782
1.771
1.761
1.753
2.201
2.179
2.160
2.145
2.131
4.025
3.930
3.852
3.787
3.733
4.437
4.318
4.221
4.140
4.073
3.106
3.055
2.650 3.012
2.624
2.681
3.428
3.372
3.326
3.286
2.977
14
15
0.691
2.602
2.947
1.746
1.740
1.734
1.729
1.725
2.120
2.110
2.101
2.093
2.086
2.235
2.224
2.214
2.205
2.197
2.583
2.567
2.552
2.539
2.528
3.252
3.222
3.197
3.174
3.153
4.015
3.965
3.922
3.883
3.850
0,865
1.071
16
17
18
19
20
0.690
0.689
0.688
0.688
0.687
1.069
0.862 1.067
0.861
1.337
1.333
1.330
1.328
1.325
2.921
2.898
2.878
2.861
2.845
3.686
3.646
3.610
3.579
3.552
0,863
1.066
0.860 1.064
21
22
23
24
25
0.686
0.686
0.685
0.685
0.684
0.859
0.858
0.858
0.857
0.856
1.063
1.061
1.060
1.059
1.058
2.189
2.183
2.177
2.172
2.167
1.323
1.321
1310
1.721
1.717
1.714
2.080
2.074
2.069
2.064
2.060
2.518
2.508
1.319
1.318
1.316
2.831
2.819
2.807
2.797
2.787
3.135
3.119
3.104
3.001
3.078
3.527
3.505
3.485
3.467
3.450
3.819
3.792
3.768
3.745
3.725
2500
1.711
1.708
2.492
2.485
26
27
28
29
0.684
0.684
0683
0.856
0.855
0.855
0.854
0.854 1.055
1.058
1.057
1.056
1.055
1.315
1.314
1.313
1.311
1.310
1.706
1.703
1.701
1.699
1.697
2.056
2.052
2.048
2.045
2.042
2.162
2.158
2.154
2.150
2.479
2.473
2.467
2.462
2.779
2.771
2.763
2.756
2.750
3.067
3.057
3.047
3.038
3.030
3.435
3.421
3.408
3.396
3.385
3.707
3.690
3.674
3,659
3.646
0.683
30
0.683
2.147
2.457
31
32
33
34
35
0.682
0.682
0.682
0.853
0.853
0,853
0.852
0.852 1.052
1.054
1.054
1.053
1,052
1.309
1.309
1.308
1.307
1.306
1.696
1.694
1.692
1.691
1.690
2.040
2.037
2.035
2.032
2.030
2.144
2.141
2.138
2.136
2.133
2.453
2.449
2445
2.441
2.744
2.738
2.733
2.728
2438 2.724
3.022
3.015
3.008
3.002
2.996
3.375
3.365
3.356
3.348
3.340
3.633
3.622
3.611
3.601
3.591
0.682
0.682
36
37
38
39
0.681
0.681
0,681
0.681
0.681
0.852
0.851
0.851
0.851
0.851
1.052
1.051
1.051
1.050
1.050
1.306
1.305
1.304
2.028
2.026
2.024
2.131
2.129
2.127
2.125
2.123
2.434
2.431
2.429
2.426
2.423
2.719
2.715
2.712
2.706
2.704
2.990
2.985
2.980
2.976
2.971
3.333
3.326
3.319
3.313
3.307
3.582
3.574
1.688
1.687
1.686
1.685
1.684
3.566
3.558
3.551
1.304
1.303
2.023
2.021
40
50
60
70
80
0.679
0.679
0,678
0.678
0,677
0,849
0,848
0.847
0.846
0,846
1.047
1.045
1.044
1.043
1.042
1.299
1.296
1.294
1.292
1.291
1.676
1.671
1.667
1.664
1.662
2.009
2.000
1.994
1.990
1.987
2.109
2.099
2.093
2.088
2.084
2.403
2.390
2.381
2.374
2.678
2.660
2.648
2.937
2.915
2.800
2.887
2.878
3.261
3.232
3.211
3.195
3.183
3.496
3.460
3.435
3.416
3.402
2639
90
2.368
2,632
100
1000
0,677
0.675
0.674
0.845
0.842
0.842
1.042
1.037
1.036
1.290
1.282
1.282
1.660
1.646
1.645
1.984
1.962
1.960
2.081
2.056
2.054
2.364
2.330
2.326
2.626
2.581
2.576
2.871
2.813
2.807
3.174
3.098
3.090
3.390
3.300
3.291
Degrees of 0.25
Freedom
0.20
0.15
0.10
0.05 0.025
0.02
0.01 0.005
0.0025 0.001 0.0005
t-Distribution
Area in Right Tail
Transcribed Image Text:A
survey was conducted that asked 1019 people how many books they had read in the past year. Results indicated that x = 13.4 books and s = 16.6 books. Construct a 90% confidence interval for
the mean number of books people read. Interpret the interval.
Click the icon to view the table of critical t-values.
.....
Construct a 90% confidence interval for the mean number of books people read and interpret the result. Select the correct choice below and fill in the answer boxes to complete your choice.
(Use ascending order. Round to two decimal places as needed.)
O A. There is 90% confidence that the population mean number of books read is between
and
O B. If repeated samples are taken, 90% of them will have a sample mean between
and
O C. There is a 90% probability that the true mean number of books read is between
and
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
Recommended textbooks for you
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman