Calculate the confidence intervals for 100 mg/L cholesterol at 90% and 95% confidence levels. Supposed that s= 7 is a good estimate of σ.

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.CR: Chapter Review
Problem 37E: Find the positive geometric mean between 4 and 64.
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Calculate the confidence intervals for 100 mg/L cholesterol at 90% and 95% confidence levels. Supposed that s= 7 is a good estimate of σ.

TABLE 7-1
Confidence Levels for Various
Values of z
Confidence Level, %
50
0.67
68
1.00
80
1.28
1.64
1.96
90
95
95.4
2.00
99
2.58
99.7
3.00
99.9
3.29
Transcribed Image Text:TABLE 7-1 Confidence Levels for Various Values of z Confidence Level, % 50 0.67 68 1.00 80 1.28 1.64 1.96 90 95 95.4 2.00 99 2.58 99.7 3.00 99.9 3.29
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