A survey was conducted that asked 1005 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 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) OA. There is a 90% probability that the true mean number of books read is between and OB. There is 90% confidence that the population mean number of books read is between and OC. If repeated samples are taken, 90% of them will have a sample mean between and
A survey was conducted that asked 1005 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 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) OA. There is a 90% probability that the true mean number of books read is between and OB. There is 90% confidence that the population mean number of books read is between and OC. If repeated samples are taken, 90% of them will have a sample mean 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 1005 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 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. There is 90% confidence that the population mean number of books read is between
OC. If repeated samples are taken, 90% of them will have a sample mean between
and
ETICH
and
Transcribed Image Text:Table of Critical t-Values
df
1234 I
5
8
10
11
12
13
14
15
0.25
Area in
right tail
0.718
0.711
0.706
0.703
0.700
0.20
1.000 1.376
1.061
0.816
0.765 0.978
0.741
0.941
0.727
0.920
0.906
0.896
0.889
0.883
0.879
0.15
0.10
1.963
3.078
1.386 1.886
1.250
1.190
1.156
0.697 0.876
0.695
0.873
1.083
(.694
0.870
1.079
0.692
0.868 1.076
0.691
0.866
1.074
0.690
0.865
1.071
0.05
-Distribution
Area in Right Tail
0.025
1.638 2.353
1.533
2.132
2.015
1.476
1.134 1.440
1.943
1.119
1.415
1895
1.108
1860
1.397
1.100
1.383
1.833
1093
1.372 1.812
1.345
1.341
1.337
12.706
6.314
2.920
1088 1.363
1.796
1.356
1.782
1.771
1.350
1.761
1.753
1.746
4.303
3.182
2.776
2.571
2.365
2.306
2.262
2.228
2201
2.179
2.160
2.145
2.131
2.120
0.02
2612
15.894
31.821
6.965
4.849
4.541
3.482
2.999
2.757
LIST
2 449
2.398
2.359
0.01
12.328
2.303
0282
0.005
3.143
2.998
2.896
2.821
2.764
63.657
9.925
5.841
4.604
3.747
3.365
4.032
3.707
3409
3.355
3.250
3.169
2.718
3.106
2.681
3.055
2.650 3.012
2.264
2.624
2.249
2.602
2.583
2.335
2.977
2.947
2.921
27
0.0025
127.321
14.089
7.453
5.598
4.773
4317
4.029
3.833
3.690
3.581
3.497
3.428
3.372
3.326
3.286
3.252
0.001
318.309
22.327
10.215
7.173
5.893
5.208
4.785
4.501
4.297
4.144
4.025
3.930
3.852
3.787
3.733
3.686
0.0005
636.619
31.599
12.924
8.610
6.869
5.959
5.408
5.041
4.781
4.587
4.437
4.318
4.221
4.140
4.073
4.015
JP
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