What is the appropriate t critical value for each of the fol- lowing confidence levels and sample sizes? a. 95% confidence, n = 17 b. 90% confidence, n = 12 c. 99% confidence, n = 24 %3D %3D
What is the appropriate t critical value for each of the fol- lowing confidence levels and sample sizes? a. 95% confidence, n = 17 b. 90% confidence, n = 12 c. 99% confidence, n = 24 %3D %3D
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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C.3.1
Transcribed Image Text:The formula used to compute a confidence interval
for the mean of a normal population when n is small is
x± (t critical value)
What is the appropriate t critical value for each of the fol-
lowing confidence levels and sample sizes?
a. 95% confidence, n = 17
b. 90% confidence, n = 12
c. 99% confidence, n = 24
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Transcribed Image Text:The formula used to compute a confidence interval
for the mean of a normal population when n is small is
x± (t critical value)
What is the appropriate t critical value for each of the fol-
lowing confidence levels and sample sizes?
d. 90% confidence, n = 25
e. 90% confidence, n = 13
f. 95% confidence, n
10
Solution
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