A survey was conducted that asked 1016 people how many books they had read in the past year. Results indicated that x = 11.5 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.) between and O A. There is 90% confidence that the population mean number of books read and O B. There is a 90% probability that the true mean number of books read is between O C. If repeated samples are taken, 90% of them will have a sample mean between and More O Time Remaining: 01:49:50 Next
A survey was conducted that asked 1016 people how many books they had read in the past year. Results indicated that x = 11.5 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.) between and O A. There is 90% confidence that the population mean number of books read and O B. There is a 90% probability that the true mean number of books read is between O C. If repeated samples are taken, 90% of them will have a sample mean between and More O Time Remaining: 01:49:50 Next
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:Dw m
Table of critical t-values
ues.
numb
Area in
ces as
right tail
tion me
t-Distribution
Area in Right Tail
mean nu
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
hem will
1
1.000
1.376
1.061
0.978
0.941
0.727 0.920
1.963
1.386
1.250
3.078
1.886
1.638
1.533
1.476
6.314
2.920
2.353
2.132
2.015
12.706 15.894
4.303
3.182
2.776
2.571
31.821
6.965
4.541
3.747
3.365
63.657
9.925
5841
4.604
4.032
127.32 1
14.089
7453
5.598
4.773
318.309 636.619
22.327
31.599
10.215
12.924
2173
8.610
5.893
0816
4.849
0.765
0.741
3.482
4.
1.190
1.156
2.999
2.757
6.869
0.718 * 0.906
0,711
0.706
0.703
0.700
6.
1.134
1.440
1.943
2.447
2.365
2.306
2.612
2.517
2.449
3.143
2.998
2.896
3.707
3.499
4.317
4.029
3.833
3.690
3.581
5.208
4.785
5.959
0.896
0.889
0,883
0,879
1.119
1.108
1.100
1.415
1.397
1.383
1.372
1.895
1.860
1.833
5408
3.355
3.250
3.169
4.501
4.297
4.144
5,041
2.262
2.228
2.398
2.359
2.821
2.764
4.781
4.587
10
1.093
1.812
11
12
13
14
15
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
1.753
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
3.106
3.055
3.012
2.977
2.947
3.497
3.428
3.372
3326
3.286
4.025
3.930
3,852
3.787
3.733
4,437
4.318
4.221
4.140
4.073
16
17
18
19
20
0.690
0.689
0.688
0.688
0.687
0.865
0.863
0.862
1.071
1.069
1.067
1.066
1.064
1.337
1.333
1.330
1.328
1.325
1.746
1.740
1.734
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
2539
2.528
2.921
2.898
2.878
2.861
2845
3.252
3.222
3.197
3.174
3.153
3.686
3.646
3.610
3.579
3.552
4.015
3.965
3.922
3.883
3.850
0.861
0.860
1.729
1.725
0.686
0.686
0.685
0,685
0.684
21
0.859
0,858
0.858
0.857
0.856
1.063
1.061
1.060
1.059
1.058
1.323
1.321
1.319
1.318
1.316
1.721
1.717
2.080
2.074
2.069
2.064
2.060
2.189
2.183
2.177
2.172
2.167
2518
2.508
2831
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
22
23
24
25
1.714
1.711
1.708
2.500
2.492
2.485
3.745
3.725
26
27
28
0.684
0.684
0.683
0.856
0.855
0.855
1.058
1.057
1.056
1.315
1314
1.313
1.706
1.703
1.701
2.056
2.052
2.048
2.162
2.158
2.154
2150
2.479
2.473
2.467
2779
2.771
2.763
3.067
3.057
3.047
3.435
3.421
3.408
1 206
3.707
3.690
3.674
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1600
2015
2756
2008
1650
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Transcribed Image Text:A survey was conducted that asked 1016 people how many books they had read in the past year. Results indicated that x = 11.5 books and s = 16.6 books. Construct a 90% confidence interval for the mean number of books people read. Interpret
the interval.
E 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
between and
O B. There is a 90% probability that the true mean number of books read is between
and
O C. If repeated samples are taken, 90% of them will have a sample mean between and
More
O Time Remaining: 01:49:50
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