State H0 and H1 and the Critical Value claim: two means equal, n1 = 40, n2 = 126, α = 0.05, σ1 & σ2 known

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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State H0 and H1 and the Critical Value

claim: two means equal, n1 = 40, n2 = 126, α = 0.05, σ1 & σ2 known

 
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