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II. A. Find the t-value corresponding to each level of confidence and degrees of freedom. 1. 90% confidence level and n= 12 2. 99% confidence level and n=20 3. a =5% and n= 16

II. A. Find the t-value corresponding to each level of confidence and degrees of freedom. 1. 90% confidence level and n= 12 2. 99% confidence level and n=20 3. a =5% and n= 16

A First Course in Probability (10th Edition)
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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I badly need an answer to these?.. please help.
II. A. Find the t-value corresponding to each level of confidence and degrees of freedom. 1. 90% confidence level and n= 12 2. 99% confidence level and n=20 3. a =5% and n= 16 B. Consider the random variable T. Find the following probabilities. 4. P (-t1< T < to1) 5. P (-2.763 <T <2.763) & df = 28
Transcribed Image Text:II. A. Find the t-value corresponding to each level of confidence and degrees of freedom. 1. 90% confidence level and n= 12 2. 99% confidence level and n=20 3. a =5% and n= 16 B. Consider the random variable T. Find the following probabilities. 4. P (-t1< T < to1) 5. P (-2.763 <T <2.763) & df = 28
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