The age of the students enrolled in a large university is normally distributed with mean u and standard deviation ơ =4 A sample of 20 students is selected and the mean is found to be 22.2 years. For testing the hypothesis Ho :µ = 20 vs. Hj:µ> 20 the value of test statistic is z* = 0.55 %3D O z* = -0.55 O z* = 2.46 O z* = -2.46
The age of the students enrolled in a large university is normally distributed with mean u and standard deviation ơ =4 A sample of 20 students is selected and the mean is found to be 22.2 years. For testing the hypothesis Ho :µ = 20 vs. Hj:µ> 20 the value of test statistic is z* = 0.55 %3D O z* = -0.55 O z* = 2.46 O z* = -2.46
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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