Question
We want to test the following hypothesis: H0: = 3000, H1: < 3000. Based on a sample size n = 245, from a population with
We want to test the following hypothesis: H0: = 3000, H1: < 3000.
Based on a sample size n = 245, from a population with a standard deviation, , of 625. We use the following decision rule:
Reject H0 if X-bar < 2930, otherwise do not reject H0.
What is the power of the test if in reality m is 2940
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Elementary Statistics
Authors: Mario F. Triola
3rd Canadian Edition
032122597X, 978-0321225979
