A survey was conducted that asked 1018 people how many books they had read in the past year. Results indicated that x = 13.9 books and s = 16.6 books. Construct a 99% 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 99% 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. If repeated samples are taken, 99% of them will have a sample mean between and O B. There is a 99% probability that the true mean number of books read is between and O C. There is 99% confidence that the population mean number of books read is between and
A survey was conducted that asked 1018 people how many books they had read in the past year. Results indicated that x = 13.9 books and s = 16.6 books. Construct a 99% 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 99% 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. If repeated samples are taken, 99% of them will have a sample mean between and O B. There is a 99% probability that the true mean number of books read is between and O C. There is 99% confidence that the population 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
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Transcribed Image Text:A survey was conducted that asked 1018 people how many books they had read in the past year. Results indicated that x = 13.9 books and s = 16.6 books. Construct
a 99% 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 99% 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. If repeated samples are taken, 99% of them will have a sample mean between
and
B. There is a 99% probability that the true mean number of books read is between
and
O C. There is 99% confidence that the population mean number of books read is between
ar
Transcribed Image Text:Degrees of
Freedom
0.25
0.20
0.15
0.10
0.05
0.025
0.02
0.01
0.005
0.0025
0.001
0.0005
1.376
1.061
0.978
0.941
0.920
1.963
1.386
1.250
1.190
1.156
3.078
1.886
1.638
1.533
1.476
6.314
2.920
2.353
2.132
2.015
127.321
14.089
7.453
5.598
4.773
15.894
1.000
0.816
0.765
0.741
0.727
12.706
4.303
3.182
2.776
2.571
4.849
3.482
2.999
2.757
31.821
6.965
4.541
3.747
63.657
9.925
5.841
4.604
4.032
318.309 636.619
22.327
10.215
7173
5.893
31.599
12.924
8.610
6.869
3.365
0.718
0.711
0.706
0.703
0.700
0.906
0.896
0.889
0.883
0.879
1.134
1.119
1.108
1.100
1.093
2.612
2.517
5.208
4.785
4.501
4.297
4.144
5.959
5.408
5.041
4.781
4.587
6
1.440
1.415
1.397
1.383
1.372
1.943
1.895
1.860
1.833
1.812
2.447
2.365
3.143
2.998
3.707
3.499
3.355
3.250
3.169
4.317
4.029
3.833
3.690
3.581
8
2.306
2.262
2.228
2.449
2.398
2.359
2.896
2.821
2.764
10
11
12
13
0.697
0.695
0.694
0.692
0.691
0.876
0.873
0.870
0.868
0.866
1.088
1.083
1.079
1.076
1.074
1.363
1.356
1.350
1.345
1.341
1.796
1.782
1.771
1.761
2.201
2.179
2.160
2.145
2.131
2.328
2.303
2.282
2.264
2.249
2.718
2.681
2.650
2.624
2.602
4.025
3.930
3.852
3.787
3.733
4.437
4.318
4.221
4.140
4.073
3.106
3.055
3.012
2.977
2.947
3.497
3.428
3.372
3.326
3.286
15
1.753
0.690
0.689
0.688
0.688
0.687
0.865
0.863
0.862
0.861
0.860
1.337
1.333
1.330
1.328
1.325
2.120
2.110
2.101
2.093
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
16
17
4.015
3.965
18
19
20
1.071
1.069
1.067
1.066
1.064
1.746
1.740
1.734
1.729
1.725
2.921
2.898
2.878
2.861
2.845
3.686
3.646
3.610
3.579
3.552
3.922
3.883
3.850
2.086
1.063
1.061
1.060
1.059
1.058
2.189
2.183
2.177
2.172
2.518
2.508
1.323
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
1.321
1.319
1.318
1.316
1.721
1.717
1.714
2.080
2.074
2.069
2.064
2.060
2.500
2.492
2.485
2.831
2.819
2.807
2.797
2.787
3.135
3.119
3.104
3.091
3.078
3.527
3.505
3.485
3.467
3.450
3.819
3.792
3.768
3.745
3.725
1.711
1.708
2.167
0.684
0.684
0.856
0.855
1.058
1.057
1.706
1.703
2.779
2.771
3.435
3.421
1.315
2.056
2.052
2.162
2.158
3.067
3.057
3.707
3.690
26
2.479
2.473
27
1.314
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