A survey was conducted that asked 1006 people how many books they had read in the past year. Results indicated that x = 13.3 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 a 90% probability that the true 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 90% confidence that the population mean number of books read is between and
A survey was conducted that asked 1006 people how many books they had read in the past year. Results indicated that x = 13.3 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 a 90% probability that the true 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 90% 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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Question
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Transcribed Image Text:A survey was conducted that asked 1006 people how many books they had read in the past year. Results indicated that x = 13.3 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.)
A. There is a 90% probability that the true mean number of books read is between
and
B. If repeated samples are taken, 90% of them will have a sample mean between
and
C. There is 90% confidence that the population mean number of books read is between
and
Transcribed Image Text:- Area in
t-Distribution
Area in Right Tail
Degrees o
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
1.000
1.376 1.963
3.078
6.314
12.706
31.821 63.657
127.321
318.309 636.619
2.920
4.303
2 00
4604
0,920 1.156 1476
8,610
6,860
0.727
2.015 2.571
2.757
3.365
4.032
4.773
5.802
2.612
2 517
0.906 1.134 1.440
0.806 1.119 1415
1307
3,707
3.490
3,355
3,250
3.169
5.206
4.78
3,833 1 SO
4.297
4.14
2.447
3.143
2.998
2.896
2.821
2.764
4.317
4.029
5,959
5.408
5.041
4.781
0.718
1.043
0.711
1.895
2.365
0.706
0 703
0.880 1.108
0 883 1.100
O870 1002
2.449
2.398
1.860
2.306
2 262
1.383
1833
3.60
1372
81
2.359
3.58
4.587
0. 607
3 407
0876 1088
0873 1.083
0.870 1.079
2.328
2.718
2.681
2.650
3.106
4029
4437
3.055
3.012
3.428
3.930
4.318
4.221
2.303
3.372
3.852
4.140
4.073
3.13.
1.337
2.583
3.25
3.686
4.015
3.883
2 529
3,850
1.325
3.153
3.552
3,819
3.792
3.768
3.745
3724
1.323
2.518
3.135
3,527
3.505
3.485
3.467
3.119
3.104
1318
3450
3439
3.707
3.421
3.690
3.674
3.408
0.852
1.309
2.453
3.022
3.375
3.633
1.309
2.449
LO54
3.015
2.735
5724
3349
3601
3. 501
085
1.306
2.133
2.996
3.340
3,333
3.326
3.319
3313
3.582
3.574
3.566
3.558
3,551
0,852
1.052
1.306
1.30
1.304
1.304
130
2.131
2.129
2.127
5125
5123
סורר
2431
2.429
2.426
2.423
2715
רורה
2708
2704
2.990
2.985
2.98
2.976
2 971
0.851
1.051
1.050
1.050
0.851
3.307
0.840
1.04
1.290
2.109
403
203
2.678
2.660
2.648
2.639
2.632
3.261
3.496
0.679
0.848
0.847
0.846
0.846
1.045
1.044
1.043
1.042
1.296
1.294
1.292
1.291
2.099
390
381
2.374
2.915
3.232
3.211
3.460
3.435
3.416
2.899
3.195
3.183
0.677
1.662
2.084
2.878
3.402
0.677
0.845
1.04
1.290
1.660
1.984
2.081
2.364
2.626
2.871
3.174
3.390
1.962
0.842
0.842
1.282
1.282
2326
2.581
2.81.
2.80
300
1.036
1.649
2.05-
3.291
0 10
001 000s 0.0025
Degrees of 0,25
Freedom
0.20
0.15
0.05
0.025
0.001 0.0005
t-Distribution
Area in Right Tail
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