A simple random sample of size n is drawn. The sample mean, x, is found to be 19.1, and the sample standard deviation, s, is found to be 4.8. Click the icon to view the table of areas under the t-distribution. (a) Construct a 95% confidence interval about µ if the sample size, n, is 35. Lower bound: 17.45; Upper bound: 20.75 (Use ascending order. Round to two decimal places as needed.) (b) Construct a 95% confidence interval about u if the sample size, n, is 51. Lower bound:: Upper bound: (Use ascending order. Round to two decimal places as needed.). COD
A simple random sample of size n is drawn. The sample mean, x, is found to be 19.1, and the sample standard deviation, s, is found to be 4.8. Click the icon to view the table of areas under the t-distribution. (a) Construct a 95% confidence interval about µ if the sample size, n, is 35. Lower bound: 17.45; Upper bound: 20.75 (Use ascending order. Round to two decimal places as needed.) (b) Construct a 95% confidence interval about u if the sample size, n, is 51. Lower bound:: Upper bound: (Use ascending order. Round to two decimal places as needed.). COD
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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Question
Solve for B
Transcribed Image Text:301
Table of t-Distribution Areas
df
1
2
3
4
5
6
0.25
Area in
right tail
0.20
1.000 1.376
0.816
0.765
0.741
0.727
0.15
1.061
0.978 1.250
0.941
0.920 1.156
0.10
1.963
3.078
1.386 1.886
0.718 0.906 1.134
0711
0906
1 110
1.190 1.533
1.476
6.314
2.920
2.353
1.638
2.132
2.015
0.05
1.440
1115
1.943
1 905
Table VI
-Distribution
Area in Right Tail
0.025
12.706
4.303
3.182
2.776
2.571
2.447
2.365
Print
0.02
0.01
15.894
31.821
4.849
6.965
3.482
4.541
2.999
3.747
2.757 3.365
2.612
3.143
5000
Done
0.005
0.0025
63.657 127:321
9.925
14.089
5.841
7.453
4.604
5.598
4.032
4.773
3.707
2 100
4.317
1020
0.001
318.309
22.327
10.215
7.173
5.893
5.208
1785
0.0005
636.619
31.599
12.924
8.610
6.869
5.959
5.408
Transcribed Image Text:A simple random sample of size n is drawn. The sample mean, x, is found to be 19.1, and the sample standard deviation, s, is found to be 4.8.
Click the icon to view the table of areas under the t-distribution.
(a) Construct a 95% confidence interval about p if the sample size, n, is 35.
Lower bound: 17.45; Upper bound: 20.75
(Use ascending order. Round to two decimal places as needed.)
(b) Construct a 95% confidence interval about p if the sample size, n, is 51.
Lower bound: Upper bound:
(Use ascending order. Round to two decimal places as needed.)
Tood
K
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